About “PHP”

A curated feed of “PHP”-related CVEs appears below. We currently track 37315 CVEs for this tag (all time). In the last 365 days, 6072 were published. Average CVSS is 6.7 (all time; 6.9 over 365d), and 50% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion').

In our taxonomy this topic maps to a LOW impact class. Language runtimes and libraries cascade through dependency graphs. Upgrade runtime and toolchain, pin versions, rebuild images, and enable SAST or DAST and linters. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.

CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).

CVSS ≥ 0.0
2026-04-14
High

CVE-2026-38532

A Broken Object-Level Authorization (BOLA) in the /Contact/Persons/PersonController.php endpoint of Webkul Krayin CRM v2.2.x allows authenticated attackers to arbitrarily read, modify, and permanentl…

High

CVE-2026-38530

A Broken Object-Level Authorization (BOLA) in the /Controllers/Lead/LeadController.php endpoint of Webkul Krayin CRM v2.2.x allows authenticated attackers to arbitrarily read, modify, and permanently…

High

CVE-2026-38529

A Broken Object-Level Authorization (BOLA) in the /Settings/UserController.php endpoint of Webkul Krayin CRM v2.2.x allows authenticated attackers to arbitrarily reset user passwords and perform a fu…

High

CVE-2026-38528

Krayin CRM v2.2.x was discovered to contain a SQL injection vulnerability via the rotten_lead parameter at /Lead/LeadDataGrid.php.

Critical

CVE-2026-38526

An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to execute arbitrary code via uploading a crafted PHP file.

Medium

CVE-2025-65136

In manikandan580 School-management-system 1.0, a reflected XSS vulnerability exists in /studentms/admin/contact-us.php via the pagedes POST parameter.

Critical

CVE-2025-65135

In manikandan580 School-management-system 1.0, a time-based blind SQL injection vulnerability exists in /studentms/admin/between-date-reprtsdetails.php through the fromdate POST parameter.

Medium

CVE-2025-65134

In manikandan580 School-management-system 1.0, a reflected cross-site scripting (XSS) vulnerability exists in /studentms/admin/contact-us.php via the email POST parameter.

Medium

CVE-2025-65132

alandsilva26 hotel-management-php 1.0 is vulnerable to Cross Site Scripting (XSS) in /public/admin/edit_room.php which allows an attacker to inject and execute arbitrary JavaScript via the room_id GE…

Critical

CVE-2025-63939

Improper input handling in /Grocery/search_products_itname.php, in anirudhkannan Grocery Store Management System 1.0, allows SQL injection via the sitem_name POST parameter.

Low

CVE-2026-37602

SourceCodester Patient Appointment Scheduler System v1.0 is vulnerable to SQL Injection in the file /scheduler/admin/user/manage_user.php.

Low

CVE-2026-37601

SourceCodester Patient Appointment Scheduler System v1.0 is vulnerable to SQL Injection in the file /scheduler/admin/appointments/manage_appointment.php.

Low

CVE-2026-37600

SourceCodester Patient Appointment Scheduler System v1.0 is vulnerable to SQL Injection in the file /scheduler/admin/appointments/view_details.php.

Low

CVE-2026-37598

SourceCodester Patient Appointment Scheduler System v1.0 is vulnerable to arbitrary code execution (RCE) via /scheduler/classes/SystemSettings.php?f=update_settings.

Low

CVE-2026-37597

SourceCodester Online Employees Work From Home Attendance System v1.0 is vulnerable to SQL Injection in the file /wfh_attendance/admin/attendance_list.php.

Low

CVE-2026-37596

SourceCodester Online Employees Work From Home Attendance System v1.0 is vulnerable to SQL Injection in the file /wfh_attendance/admin/manage_department.php.

Low

CVE-2026-37595

SourceCodester Online Employees Work From Home Attendance System v1.0 is vulnerable to SQL Injection in the file /wfh_attendance/admin/manage_employee.php.

Low

CVE-2026-37594

SourceCodester Online Employees Work From Home Attendance System v1.0 is vulnerable to SQL Injection in the file /wfh_attendance/admin/view_employee.php.

Low

CVE-2026-37593

SourceCodester Online Employees Work From Home Attendance System v1.0 is vulnerable to SQL Injection in the file /wfh_attendance/admin/view_att.php.

Low

CVE-2026-37592

Sourcecodester Storage Unit Rental Management System v1.0 is vulnerable to SQL in the file /storage/admin/maintenance/manage_pricing.php.

Low

CVE-2026-37591

Sourcecodester Storage Unit Rental Management System v1.0 is vulnerable to SQL injection in the file /storage/admin/tenants/view_details.php.

Low

CVE-2026-37590

SourceCodester Storage Unit Rental Management System v1.0 is vulnerable to SQL Injection in the file /storage/admin/rents/manage_rent.php.

Low

CVE-2026-37589

SourceCodester Storage Unit Rental Management System v1.0 is vulnerable to SQL Injection in the file /storage/admin/maintenance/manage_storage_unit.php.

Medium

CVE-2026-30480

A Local File Inclusion (LFI) vulnerability in the NFSen module (nfsen.inc.php) of LibreNMS 22.11.0-23-gd091788f2 allows authenticated attackers to include arbitrary PHP files from the server filesyst…

High

CVE-2026-3017

The Smart Post Show – Post Grid, Post Carousel & Slider, and List Category Posts plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.0.12 via deserializ…

High

CVE-2026-6227

The BackWPup plugin for WordPress is vulnerable to Local File Inclusion via the `block_name` parameter of the `/wp-json/backwpup/v1/getblock` REST endpoint in all versions up to, and including, 5.6.6…

2026-04-13
High

CVE-2026-32271

Craft Commerce is an ecommerce platform for Craft CMS. In versions 4.0.0 through 4.10.2 and 5.0.0 through 5.5.4, there is an SQL injection vulnerability in the Commerce TotalRevenue widget which allo…

High

CVE-2025-51414

In Phpgurukul Online Course Registration v3.1, an arbitrary file upload vulnerability was discovered within the profile picture upload functionality on the /my-profile.php page.

Medium

CVE-2026-6202

A security flaw has been discovered in code-projects Easy Blog Site 1.0. This affects an unknown function of the file post.php. Performing a manipulation of the argument tags results in sql injection…

Medium

CVE-2026-6201

A vulnerability was identified in CodeAstro Online Job Portal 1.0. The impacted element is an unknown function of the file /jobs/job-delete.php of the component Delete Job Posting Handler. Such manip…

Medium

CVE-2026-33534

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have an authenticated Server-Side Request Forgery (SSRF) vulnerability that allows bypassing the inter…

Critical

CVE-2026-40044

Pachno 1.0.6 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting malicious serialized objects into cache files. Attackers can write P…

High

CVE-2026-6193

A security flaw has been discovered in PHPGurukul Daily Expense Tracking System 1.1. Affected is an unknown function of the file /register.php. The manipulation of the argument email results in sql i…

Medium

CVE-2026-6191

A vulnerability was determined in itsourcecode Construction Management System 1.0. This affects an unknown function of the file /equipments.php. Executing a manipulation of the argument Name can lead…

Medium

CVE-2026-6190

A vulnerability was found in itsourcecode Construction Management System 1.0. The impacted element is an unknown function of the file /employees.php. Performing a manipulation of the argument Name re…

High

CVE-2026-6189

A vulnerability has been found in SourceCodester Pharmacy Sales and Inventory System 1.0. The affected element is an unknown function of the file /ajax.php?action=login. Such manipulation of the argu…

Medium

CVE-2026-39940

ChurchCRM is an open-source church management system. Prior to 7.0.0, it was possible in many places across the ChurchCRM application to create a link that, when visited by an authenticated user, wou…

Low

CVE-2026-36952

Sourcecodester Online Thesis Archiving System v1.0 is vulnerable to SQL injection in the file /otas/admin/curriculum/manage_curriculum.php.

Low

CVE-2026-36950

Sourcecodester Online Thesis Archiving System v1.0 is vulnerable to SQL injection in /otas/projects_per_department.php.

High

CVE-2026-36948

Sourcecodester Online Thesis Archiving System v1.0 is vulnerale to SQL injection in the file /otas/view_archive.php.

High

CVE-2026-6188

A flaw has been found in SourceCodester Pharmacy Sales and Inventory System 1.0. Impacted is an unknown function of the file /ajax.php?action=delete_sales. This manipulation of the argument ID causes…

High

CVE-2026-6187

A vulnerability was detected in SourceCodester Pharmacy Sales and Inventory System 1.0. This issue affects some unknown processing of the file /ajax.php?action=chk_prod_availability. The manipulation…

Low

CVE-2026-6184

A weakness has been identified in code-projects Simple Content Management System 1.0. This affects an unknown part of the file /web/admin/welcome.php. Executing a manipulation of the argument News Ti…

Low

CVE-2026-36938

Sourcecodester Online Resort Management System v1.0 is vulnerable to SQL injection in /orms/admin/rooms/view_room.php.

Low

CVE-2026-36937

Sourcecodester Online Resort Management System v1.0 is vulnerable to SQL injection in /orms/admin/reservations/view_details.php.

High

CVE-2026-6183

A security flaw has been discovered in code-projects Simple Content Management System 1.0. Affected by this issue is some unknown functionality of the file /web/index.php. Performing a manipulation o…

High

CVE-2026-6182

A vulnerability was identified in code-projects Simple Content Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /web/admin/login.php. Such manipulation of…

Low

CVE-2026-36945

Sourcecodester Computer and Mobile Repair Shop Management System v1.0 is vulnerable to SQL injection in the file /rsms/admin/clients/manage_client.php

Low

CVE-2026-36944

Sourcecodester Computer and Mobile Repair Shop Management System v1.0 is vulnerale to SQL injection in the file/rsms/admin/repairs/view_details.php.

Low

CVE-2026-36943

Sourcecodester Computer and Mobile Repair Shop Management System v1.0 is vulnerable to SQL injection in the file /rsms/admin/repairs/manage_repair.php.

Low

CVE-2026-36942

Sourcecodester Online Resort Management System v1.0 is vulnerable to SQL injection in the file /orms/admin/activities/manage_activity.php.

Low

CVE-2026-36941

Sourcecodester Online Resort Management System v1.0 is vulnerable to SQL Injection in the file /orms/admin/rooms/manage_room.php.

Low

CVE-2026-36947

Sourcecodester Computer and Mobile Repair Shop Management System v1.0 is vulnerable to SQL Injection in the file /rsms/admin/services/view_service.php.

Low

CVE-2026-36946

Sourcecodester Computer and Mobile Repair Shop Management System v1.0 is vulnerable to SQL injection in the file /rsms/admin/inquiries/view_details.php.

Low

CVE-2026-36923

Sourcecodester Cab Management System 1.0 is vulnerable to SQL Injection in the file /cms/admin/bookings/view_booking.php.

Low

CVE-2026-36922

Sourcecodester Cab Management System v1.0 is vulnerable to SQL injection in the file /cms/admin/categories/view_category.php.

Low

CVE-2026-36920

Sourcecodester Online Reviewer System v1.0 is vulnerable to SQL Injection in the file /system/system/admins/assessments/examproper/questions-view.php.

Low

CVE-2026-36919

Sourcecodester Online Reviewer System v1.0 is vulnerale to SQL Injection in the file /system/system/admins/assessments/examproper/exam-update.php.

Low

CVE-2026-36874

Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_student.php.

Low

CVE-2026-36873

Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_admin.php.

Low

CVE-2026-36872

Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_book.php.

High

CVE-2026-6167

A vulnerability was detected in code-projects Faculty Management System 1.0. Impacted is an unknown function of the file /subject-print.php. The manipulation of the argument ID results in sql injecti…

High

CVE-2026-6166

A security vulnerability has been detected in code-projects Vehicle Showroom Management System 1.0. This issue affects some unknown processing of the file /util/UpdateVehicleFunction.php. The manipul…

High

CVE-2026-6165

A weakness has been identified in code-projects Vehicle Showroom Management System 1.0. This vulnerability affects unknown code of the file /util/Login_check.php. Executing a manipulation of the argu…

High

CVE-2026-6164

A security flaw has been discovered in code-projects Lost and Found Thing Management 1.0. This affects an unknown part of the file /addcat.php. Performing a manipulation of the argument cata results…

High

CVE-2026-6163

A vulnerability was identified in code-projects Lost and Found Thing Management 1.0. Affected by this issue is some unknown functionality of the file /catageory.php. Such manipulation of the argument…

Low

CVE-2026-6162

A vulnerability has been found in PHPGurukul Company Visitor Management System 2.0. This impacts an unknown function of the file /bwdates-reports-details.php. The manipulation of the argument fromdat…

High

CVE-2026-6161

A vulnerability was determined in code-projects Simple ChatBox up to 1.0. This affects an unknown part of the file /chatbox/insert.php of the component Endpoint. Executing a manipulation of the argum…

Medium

CVE-2026-6160

A vulnerability was found in code-projects Simple ChatBox 1.0. Affected by this issue is the function SimpleChatbox_PHP of the file chatbox.sql of the component Endpoint. Performing a manipulation re…

Medium

CVE-2026-6159

A vulnerability has been found in code-projects Simple ChatBox up to 1.0. Affected by this vulnerability is an unknown functionality of the file /chatbox/insert.php of the component Endpoint. Such ma…

High

CVE-2026-6153

A vulnerability was identified in code-projects Vehicle Showroom Management System 1.0. Impacted is an unknown function of the file /util/StaffDetailsFunction.php. Such manipulation of the argument S…

High

CVE-2026-6152

A vulnerability was determined in code-projects Vehicle Showroom Management System 1.0. This issue affects some unknown processing of the file /util/StaffAddingFunction.php. This manipulation of the…

High

CVE-2026-6151

A vulnerability was found in code-projects Vehicle Showroom Management System 1.0. This vulnerability affects unknown code of the file /util/PaymentStatusFunction.php. The manipulation of the argumen…

Medium

CVE-2026-6150

A vulnerability has been found in code-projects Simple Laundry System 1.0. This affects an unknown part of the file /checkupdatestatus.php. The manipulation of the argument serviceId leads to cross s…

High

CVE-2026-6149

A flaw has been found in code-projects Vehicle Showroom Management System 1.0. Affected by this issue is some unknown functionality of the file /util/BookVehicleFunction.php. Executing a manipulation…

High

CVE-2026-6148

A vulnerability was detected in code-projects Vehicle Showroom Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /util/MonthTotalReportUpdateFunction.php.…

High

CVE-2026-6142

A vulnerability was identified in tushar-2223 Hotel Management System up to bb1f3b3666124b888f1e4bcf51b6fba9fbb01d15. Affected by this vulnerability is an unknown functionality of the file /admin/roo…

2026-04-12
High

CVE-2019-25710

Dolibarr ERP-CRM 8.0.4 contains an SQL injection vulnerability in the rowid parameter of the admin dict.php endpoint that allows attackers to execute arbitrary SQL queries. Attackers can inject malic…

High

CVE-2019-25707

eBrigade ERP 4.5 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Attackers can sen…

High

CVE-2019-25703

ImpressCMS 1.3.11 contains a time-based blind SQL injection vulnerability that allows authenticated attackers to manipulate database queries by injecting SQL code through the 'bid' parameter. Attacke…

High

CVE-2019-25697

CMSsite 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the cat_id parameter. Attackers can send GET req…

High

CVE-2019-25693

ResourceSpace 8.6 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL queries by injecting malicious code through the keywords parameter in collection…

2026-04-11
Critical

CVE-2026-31845

A reflected cross-site scripting (XSS) vulnerability exists in Rukovoditel CRM version 3.6.4 and earlier in the Zadarma telephony API endpoint (/api/tel/zadarma.php). The application directly reflect…

High

CVE-2026-5809

The wpForo Forum plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to and including 3.0.2. This is due to a two-step logic flaw: the topic_add() and topic_edit() action han…

High

CVE-2026-5217

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2…

Medium

CVE-2026-4979

The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP plugin for WordPress is vulnerable to blind Server-Side Request Forgery in all versions up to, an…

2026-04-10
Low

CVE-2026-40194

phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, phpseclib\Net\SSH2::get_binary_packet() uses PHP's != operator to compare a received SSH p…

High

CVE-2026-33704

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user (including students) can write arbitrary content to files on the server via the BigUpload endpoint. The key param…

High

CVE-2026-33702

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains an Insecure Direct Object Reference (IDOR) vulnerability in the Learning Path progress saving endpoi…

Critical

CVE-2026-33698

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify…

High

CVE-2026-33618

Chamilo LMS is a learning management system. Prior to .0.0-RC.3, the PlatformConfigurationController::decodeSettingArray() method uses PHP's eval() to parse platform settings from the database. An at…

High

CVE-2026-32931

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload…

Critical

CVE-2026-32892

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains an OS Command Injection vulnerability in the file move function. The move() function in fileManage.l…

High

CVE-2026-31940

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicc_hacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading g…

High

CVE-2026-31939

Chamilo LMS is a learning management system. Prior to 1.11.38, there is a path traversal in main/exercise/savescores.php leading to arbitrary file feletion. User input from $_REQUEST['test'] is conca…

Critical

CVE-2026-36236

SourceCodester Engineers Online Portal v1.0 is vulnerable to SQL Injection in update_password.php via the new_password parameter.

Critical

CVE-2026-36235

A SQL injection vulnerability was found in the scheduleSubList.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that the 'subjcode' parameter is directly e…

Critical

CVE-2026-36234

itsourcecode Online Student Enrollment System v1.0 is vulnerable to SQL Injection in newCourse.php via the 'coursename' parameter.

Critical

CVE-2026-36233

A SQL injection vulnerability was found in the assignInstructorSubjects.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that attackers can inject maliciou…

Critical

CVE-2026-36232

A SQL injection vulnerability was found in the instructorClasses.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that the 'classId' parameter from $_GET['…

Critical

CVE-2026-29861

PHP-MYSQL-User-Login-System v1.0 was discovered to contain a SQL injection vulnerability via the username parameter at login.php.

High

CVE-2025-5804

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Case Themes Case Theme User case-theme-user allows PHP Local File Inclusion.Th…

High

CVE-2025-58913

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in CactusThemes VideoPro videopro allows PHP Local File Inclusion.This issue affe…

High

CVE-2026-6038

A vulnerability was identified in code-projects Vehicle Showroom Management System 1.0. This impacts an unknown function of the file /util/RegisterCustomerFunction.php. Such manipulation of the argum…

High

CVE-2026-6037

A vulnerability was determined in code-projects Vehicle Showroom Management System 1.0. This affects an unknown function of the file /util/AddVehicleFunction.php. This manipulation of the argument BR…

High

CVE-2026-6036

A vulnerability was found in code-projects Vehicle Showroom Management System 1.0. The impacted element is an unknown function of the file /util/VehicleDetailsFunction.php. The manipulation of the ar…

Medium

CVE-2026-6035

A vulnerability has been found in code-projects Vehicle Showroom Management System 1.0. The affected element is an unknown function of the file /BranchManagement/ServiceAndSalesReport.php. The manipu…

Medium

CVE-2026-6034

A flaw has been found in code-projects Vehicle Showroom Management System 1.0. Impacted is an unknown function of the file /BranchManagement/ProfitAndLossReport.php. Executing a manipulation of the a…

Medium

CVE-2026-6033

A vulnerability was determined in CodeAstro Online Classroom 1.0. Affected is an unknown function of the file /updatedetailsfromstudent.php?eno=146891650. Executing a manipulation of the argument fna…

Medium

CVE-2026-6032

A vulnerability was found in code-projects Simple Laundry System 1.0. This impacts an unknown function of the file /checkcheckout.php. Performing a manipulation of the argument serviceId results in c…

High

CVE-2026-6031

A vulnerability has been found in code-projects Simple IT Discussion Forum 1.0. This affects an unknown function of the file /add-category-function.php. Such manipulation of the argument Category lea…

Medium

CVE-2026-6030

A flaw has been found in itsourcecode Construction Management System 1.0. The impacted element is an unknown function of the file /del1.php. This manipulation of the argument toolname causes sql inje…

Medium

CVE-2026-6010

A security flaw has been discovered in CodeAstro Online Classroom 1.0/2.php. Affected by this vulnerability is an unknown functionality of the file /OnlineClassroom/takeassessment2.php?exid=14. Perfo…

Medium

CVE-2026-6007

A vulnerability was found in itsourcecode Construction Management System 1.0. This affects an unknown function of the file /del.php. The manipulation of the argument equipname results in sql injectio…

Medium

CVE-2026-6006

A vulnerability has been found in code-projects Patient Record Management System 1.0. The impacted element is an unknown function of the file /edit_hpatient.php. The manipulation of the argument ID l…

Medium

CVE-2026-6005

A flaw has been found in code-projects Patient Record Management System 1.0. The affected element is an unknown function of the file /hematology_print.php. Executing a manipulation of the argument he…

High

CVE-2026-6004

A vulnerability was detected in code-projects Simple IT Discussion Forum 1.0. Impacted is an unknown function of the file /delete-category.php. Performing a manipulation of the argument cat_id result…

Low

CVE-2026-6003

A security vulnerability has been detected in code-projects Simple IT Discussion Forum 1.0. This issue affects some unknown processing of the file /admin/user.php. Such manipulation of the argument f…

High

CVE-2026-4351

The Perfmatters plugin for WordPress is vulnerable to arbitrary file overwrite via path traversal in all versions up to, and including, 2.5.9. This is due to the `PMCS::action_handler()` method proce…

Medium

CVE-2026-2712

The WP-Optimize plugin for WordPress is vulnerable to unauthorized access of functionality due to missing capability checks in the `receive_heartbeat()` function in `includes/class-wp-optimize-heartb…