About “Moodle”

A curated feed of “Moodle”-related CVEs appears below. We currently track 580 CVEs for this tag (all time). In the last 365 days, 26 were published. Average CVSS is 5.6 (all time; 6.4 over 365d), and 19% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), CWE-639 - Authorization Bypass Through User-Controlled Key, CWE-94 - Improper Control of Generation of Code ('Code Injection').

In our taxonomy this topic maps to a LOW impact class. Vendor advisories and release notes are key. Verify compatibility matrices, prefer supported long term versions, and stage rollouts with monitoring. 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
2022-07-25
High

CVE-2022-35650

The vulnerability was found in Moodle, occurs due to input validation error when importing lesson questions. This insufficient path checks results in arbitrary file read risk. This vulnerability allo…

Critical

CVE-2022-35649

The vulnerability was found in Moodle, occurs due to improper input validation when parsing PostScript code. An omitted execution parameter results in a remote code execution risk for sites running G…

2022-05-18
Critical

CVE-2022-30600

A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.

Critical

CVE-2022-30599

A flaw was found in moodle where an SQL injection risk was identified in Badges code relating to configuring criteria.

Medium

CVE-2022-30598

A flaw was found in moodle where global search results could include author information on some activities where a user may not otherwise have access to it.

Medium

CVE-2022-30597

A flaw was found in moodle where the description user field was not hidden when being set as a hidden user field.

Medium

CVE-2022-30596

A flaw was found in moodle where ID numbers displayed when bulk allocating markers to assignments required additional sanitizing to prevent a stored XSS risk.

2022-05-10
Medium

CVE-2022-28601

A Two-Factor Authentication (2FA) bypass vulnerability in "Simple 2FA Plugin for Moodle" by LMS Doctor allows remote attackers to overwrite the phone number used for confirmation via the profile.php…

High

CVE-2022-28986

LMS Doctor Simple 2 Factor Authentication Plugin For Moodle Affected: 2021072900 has an Insecure direct object references (IDOR) vulnerability, which allows remote attackers to update sensitive recor…

2022-04-29
Medium

CVE-2022-0985

Insufficient capability checks could allow users with the moodle/site:uploadusers capability to delete users, without having the necessary moodle/user:delete capability.

2022-03-11
Medium

CVE-2021-32478

The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier u…

Medium

CVE-2021-32477

The last time a user accessed the mobile app is displayed on their profile page, but should be restricted to users with the relevant capability (site administrators by default). Moodle versions 3.10…

High

CVE-2021-32476

A denial-of-service risk was identified in the draft files area, due to it not respecting user file upload limits. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlie…

Medium

CVE-2021-32475

ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported v…

High

CVE-2021-32474

An SQL injection risk existed on sites with MNet enabled and configured, via an XML-RPC call from the connected peer host. Note that this required site administrator access or access to the keypair.…

Medium

CVE-2021-32473

It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported…

Medium

CVE-2021-32472

Teachers exporting a forum in CSV format could receive a CSV of forums from all courses in some circumstances. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6 and 3.8 to 3.8.8 are affected.

2022-01-25
High

CVE-2022-0335

A flaw was found in Moodle in versions 3.11 to 3.11.4, 3.10 to 3.10.8, 3.9 to 3.9.11 and earlier unsupported versions. The "delete badge alignment" functionality did not include the necessary token c…

Medium

CVE-2022-0334

A flaw was found in Moodle in versions 3.11 to 3.11.4, 3.10 to 3.10.8, 3.9 to 3.9.11 and earlier unsupported versions. Insufficient capability checks could lead to users accessing their grade report…

Low

CVE-2022-0333

A flaw was found in Moodle in versions 3.11 to 3.11.4, 3.10 to 3.10.8, 3.9 to 3.9.11 and earlier unsupported versions. The calendar:manageentries capability allowed managers to access or modify any c…

Critical

CVE-2022-0332

A flaw was found in Moodle in versions 3.11 to 3.11.4. An SQL injection risk was identified in the h5p activity web service responsible for fetching user attempt data.

2021-11-22
Medium

CVE-2021-43560

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. Insufficient capability checks made it possible to fetch other users' calendar a…

High

CVE-2021-43559

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. The "delete related badge" functionality did not include the necessary token che…

Medium

CVE-2021-43558

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizin…

Critical

CVE-2021-3943

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified.

2021-06-23
Critical

CVE-2021-21809

A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have adm…

2021-06-16
Medium

CVE-2021-32244

Cross Site Scripting (XSS) in Moodle 3.10.3 allows remote attackers to execute arbitrary web script or HTML via the "Description" field.

2021-05-17
Medium

CVE-2019-14827

A vulnerability was found in Moodle where javaScript injection was possible in some Mustache templates via recursive rendering from contexts. Mustache helper tags that were included in template conte…

2021-04-14
Medium

CVE-2021-26812

Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can…

2021-03-19
Medium

CVE-2019-14831

A vulnerability was found in Moodle 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions, where forum subscribe link contained an open redirect if forced subscription mode was en…

Medium

CVE-2019-14830

A vulnerability was found in Moodle 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions, where the mobile launch endpoint contained an open redirect in some circumstances, which…

Medium

CVE-2019-14829

A vulnerability was found in Moodle affection 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions where activity creation capabilities were not correctly respected when selectin…

Medium

CVE-2019-14828

A vulnerability was found in Moodle affecting 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions, where users with the capability to create courses were assigned as a teacher i…

2021-03-15
Medium

CVE-2021-20283

The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5,…

Medium

CVE-2021-20282

When creating a user account, it was possible to verify the account without having access to the verification email link/secret in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Medium

CVE-2021-20281

It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Medium

CVE-2021-20280

Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Medium

CVE-2021-20279

The ID number user profile field required additional sanitizing to prevent a stored XSS risk in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

2021-01-28
Medium

CVE-2021-20185

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of serv…

High

CVE-2021-20187

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during Shibboleth authentica…

Medium

CVE-2021-20186

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.

Medium

CVE-2021-20184

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.

Medium

CVE-2021-20183

It was found in Moodle before version 3.10.1 that some search inputs were vulnerable to reflected XSS due to insufficient escaping of search queries.

2020-12-08
Medium

CVE-2020-25631

A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book's chapter title, which was not escaped on the "Add new chapter" p…

High

CVE-2020-25630

A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This aff…

High

CVE-2020-25629

A vulnerability was found in Moodle where users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as…

2020-11-19
Medium

CVE-2020-25703

The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8.…

Medium

CVE-2020-25702

In Moodle, it was possible to include JavaScript when re-naming content bank items. Versions affected: 3.9 to 3.9.2. This is fixed in moodle 3.9.3 and 3.10.

Medium

CVE-2020-25701

If the upload course tool in Moodle was used to delete an enrollment method which did not exist or was not already enabled, the tool would erroneously enable that enrollment method. This could lead t…

Medium

CVE-2020-25700

In moodle, some database module web services allowed students to add entries within groups they did not belong to. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5, 3.7 to 3.7.8, 3.5 to 3.5.14 and earli…

High

CVE-2020-25699

In moodle, insufficient capability checks could lead to users with the ability to course restore adding additional capabilities to roles within that course. Versions affected: 3.9 to 3.9.2, 3.8 to 3.…

High

CVE-2020-25698

Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do…

2020-05-21
High

CVE-2020-10738

A flaw was found in Moodle versions 3.8 before 3.8.3, 3.7 before 3.7.6, 3.6 before 3.6.10, 3.5 before 3.5.12 and earlier unsupported versions. It was possible to create a SCORM package in such a way…

2020-03-31
Critical

CVE-2019-14880

A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional veri…

2020-03-18
Medium

CVE-2019-14884

A vulnerability was found in Moodle 3.7 before 3.73, 3.6 before 3.6.7 and 3.5 before 3.5.9, where a reflected XSS possible from some fatal error messages.

Medium

CVE-2019-14883

A vulnerability was found in Moodle 3.6 before 3.6.7 and 3.7 before 3.7.3, where tokens used to fetch inline atachments in email notifications were not disabled when a user's account was no longer ac…

Medium

CVE-2019-14882

A vulnerability was found in Moodle 3.7 to 3.7.3, 3.6 to 3.6.7, 3.5 to 3.5.9 and earlier where an open redirect existed in the Lesson edit page.

Medium

CVE-2019-14881

A vulnerability was found in moodle 3.7 before 3.7.3, where there is blind XSS reflected in some locations where user email is displayed.

2020-02-17
High

CVE-2020-1692

Moodle before version 3.7.2 is vulnerable to information exposure of service tokens for users enrolled in the same course.

2020-02-11
Medium

CVE-2019-18210

Persistent XSS in /course/modedit.php of Moodle through 3.7.2 allows authenticated users (Teacher and above) to inject JavaScript into the session of another user (e.g., enrolled student or site admi…

2020-01-07
Medium

CVE-2019-14879

A vulnerability was found in Moodle versions 3.7.x before 3.7.3, 3.6.x before 3.6.7 and 3.5.x before 3.5.9. When a cohort role assignment was removed, the associated capabilities were not being revok…

2019-11-14
High

CVE-2012-1170

Moodle before 2.2.2 has an external enrolment plugin context check issue where capability checks are not thorough

Medium

CVE-2012-1169

Moodle before 2.2.2 has Personal information disclosure, when administrative setting users name display is set to first name only full names are shown in page breadcrumbs.

Medium

CVE-2012-1161

Moodle before 2.2.2: Course information leak via hidden courses being displayed in tag search results

Low

CVE-2012-1160

Moodle before 2.2.2 has a permission issue in Forum Subscriptions where unenrolled users can subscribe/unsubscribe via mod/forum/index.php

Medium

CVE-2012-1159

Moodle before 2.2.2: Overview report allows users to see hidden courses

Medium

CVE-2012-1158

Moodle before 2.2.2 has a course information leak in gradebook where users are able to see hidden grade items in export

Medium

CVE-2012-1157

Moodle before 2.2.2 has a default repository capabilities issue where all repositories are viewable by all users by default

High

CVE-2012-1168

Moodle before 2.2.2 has a password and web services issue where when the user profile is updated the user password is reset if not specified.

High

CVE-2012-1156

Moodle before 2.2.2 has users' private files included in course backups

High

CVE-2012-1155

Moodle has a database activity export permission issue where the export function of the database activity module exports all entries even those from groups the user does not belong to

2019-08-23
Critical

CVE-2019-15536

The Acclaim block plugin before 2019-06-26 for Moodle allows SQL Injection via delete_records.

2019-07-31
Medium

CVE-2019-10189

A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in an assignment group could modify group overrides for other groups in the same assignment.

Medium

CVE-2019-10188

A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in a quiz group could modify group overrides for other groups in the same quiz.

Medium

CVE-2019-10187

A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Users with permission to delete entries from a glossary were able to delete entries from other glossaries they did not have direct acce…

High

CVE-2019-10186

A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. A sesskey (CSRF) token was not being utilised by the XML loading/unloading admin tool.

2019-06-26
High

CVE-2019-10154

A flaw was found in Moodle before versions 3.7, 3.6.4. A web service fetching messages was not restricted to the current user's conversations.

Low

CVE-2019-10134

A flaw was found in Moodle before 3.7, 3.6.4, 3.5.6, 3.4.9 and 3.1.18. The size of users' private file uploads via email were not correctly checked, so their quota allowance could be exceeded.

Low

CVE-2019-10133

A flaw was found in Moodle before 3.7, 3.6.4, 3.5.6, 3.4.9 and 3.1.18. The form to upload cohorts contained a redirect field, which was not restricted to internal URLs.

2019-03-27
Medium

CVE-2019-3847

A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Users with the "login as other users" capability (such as administrators/managers) can access other users' Dashboar…

2019-03-26
Medium

CVE-2019-3852

A vulnerability was found in moodle before version 3.6.3. The get_with_capability_join and get_users_by_capability functions were not taking context freezing into account when checking user capabilit…

Medium

CVE-2019-3851

A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.

Medium

CVE-2019-3850

A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Links within assignment submission comments would open directly (in the same window). Although links themselves may…

High

CVE-2019-3849

A vulnerability was found in moodle before versions 3.6.3, 3.5.5 and 3.4.8. Users could assign themselves an escalated role within courses or content accessed via LTI, by modifying the request to the…

Medium

CVE-2019-3848

A vulnerability was found in moodle before versions 3.6.3, 3.5.5 and 3.4.8. Permissions were not correctly checked before loading event information into the calendar's edit event modal popup, so logg…

2019-03-25
Medium

CVE-2019-3810

A flaw was found in moodle versions 3.6 to 3.6.1, 3.5 to 3.5.3, 3.4 to 3.4.6, 3.1 to 3.1.15 and earlier unsupported versions. The /userpix/ page did not escape users' full names, which are included a…

Medium

CVE-2019-3809

A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions. The mybackpack functionality allowed setting the URL of badges, when it should be restricted to the Mozilla Open Ba…

Medium

CVE-2019-3808

A flaw was found in Moodle versions 3.6 to 3.6.1, 3.5 to 3.5.3, 3.4 to 3.4.6, 3.1 to 3.1.15 and earlier unsupported versions. The 'manage groups' capability did not have the 'XSS risk' flag assigned…

2019-03-21
High

CVE-2019-6970

Moodle 3.5.x before 3.5.4 allows SSRF.

2018-11-26
Medium

CVE-2018-16854

A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed…

2018-09-17
High

CVE-2018-14631

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search…

High

CVE-2018-14630

moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) t…

2018-07-10
High

CVE-2018-10891

A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is…

Medium

CVE-2018-10890

A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetchi…

Medium

CVE-2018-10889

A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7. No option existed to omit logs from data privacy exports, which may contain details of other users who interacted with the requester.

2018-05-25
High

CVE-2018-1137

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

Medium

CVE-2018-1136

An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is…

Medium

CVE-2018-1135

An issue was discovered in Moodle 3.x. Students who posted on forums and exported the posts to portfolios can download any stored Moodle file by changing the download URL.

Medium

CVE-2018-1134

An issue was discovered in Moodle 3.x. Students who submitted assignments and exported them to portfolios can download any stored Moodle file by changing the download URL.

High

CVE-2018-1133

An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.

2018-04-04
High

CVE-2018-1082

A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.

Medium

CVE-2018-1081

A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script…

2018-01-22
Medium

CVE-2018-1045

In Moodle 3.x, there is XSS via a calendar event name.

Medium

CVE-2018-1044

In Moodle 3.x, quiz web services allow students to see quiz results when it is prohibited in the settings.

Medium

CVE-2018-1043

In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.

Medium

CVE-2018-1042

Moodle 3.x has Server Side Request Forgery in the filepicker.

2017-11-20
Medium

CVE-2017-15110

In Moodle 3.x, students can find out email addresses of other students in the same course. Using search on the Participants page, students could search email addresses of all participants regardless…

2017-11-03
Medium

CVE-2017-1000131

Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are vulnerable to users staying logged in to their Mahara account even when they have been logged out of Moodle (when usi…

2017-09-18
Medium

CVE-2017-12157

In Moodle 3.x, various course reports allow teachers to view details about users in the groups they can't access.

Medium

CVE-2017-12156

Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

2017-07-17
Medium

CVE-2017-7532

In Moodle 3.x, course creators are able to change system default settings for courses.

Medium

CVE-2017-7531

In Moodle 3.3, the course overview block reveals activities in hidden courses.

Medium

CVE-2017-2642

Moodle 3.x has user fullname disclosure on the user preferences page.

2017-05-15
Medium

CVE-2017-7491

In Moodle 2.x and 3.x, a CSRF attack is possible that allows attackers to change the "number of courses displayed in the course overview block" configuration setting.

Medium

CVE-2017-7490

In Moodle 2.x and 3.x, searching of arbitrary blogs is possible because a capability check is missing.

Medium

CVE-2017-7489

In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.

2017-04-20
High

CVE-2016-3734

Cross-site request forgery (CSRF) vulnerability in markposts.php in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13 and earlier allows remote attackers to hijack t…

Medium

CVE-2016-3733

The "restore teacher" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.

Medium

CVE-2016-3732

The capability check to access other badges in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to read the badges of…

Medium

CVE-2016-3731

Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, and 2.8 through 2.8.11 allows remote attackers to obtain the names of hidden forums and forum discussions.