CVE-2026-9818
Roundcube's HTML sanitization path for message rendering allows loopback, localhost, RFC1918, link-local, and ULA URLs even when remote content loading is disabled. A remote attacker can send an HTML…
All CVEs associated with "Roundcube Webmail". Page 1/1 • 105 CVEs.
A curated feed of “Roundcube Webmail”-related CVEs appears below. We currently track 105 CVEs for this tag (all time). In the last 365 days, 22 were published. Average CVSS is 6.2 (all time; 5.6 over 365d), and 30% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-669 - Incorrect Resource Transfer Between Spheres, CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), CWE-184 - Incomplete List of Disallowed Inputs.
In our taxonomy this topic maps to a MODERATE impact class. Mail servers and webmail risk credential theft and data exposure. Patch MTA or IMAP, enforce TLS and auth, lock down admin consoles, and validate anti spam or AV. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.
This table shows recent release cycles and their projected end-of-life. Data source: endoflife.date.
| Cycle | Release | Latest | Premier Support | EOL | LTS |
|---|---|---|---|---|---|
| 1.7 | 1.7.1 | Unavailable | - | ||
| 1.6 | 1.6.16 | - | LTS | ||
| 1.5 | 1.5.15 | Expired | LTS | ||
| 1.4 | 1.4.16 | Unavailable | Expired | ||
| 1.3 | 1.3.17 | Unavailable | Expired | ||
| 1.2 | 1.2.13 | Unavailable | Expired | ||
| 1.1 | 1.1.12 | Unavailable | - Expired | ||
| 1.0 | 1.0.12 | Unavailable | - Expired |
Maintained Soon (≤ 180 days) Expired
Subscribe lifecycle: RSS · RSS (expired) · ICS
Subscribe CVEs: RSS for “Roundcube Webmail” · RSS (High+Critical only)
CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).
Roundcube's HTML sanitization path for message rendering allows loopback, localhost, RFC1918, link-local, and ULA URLs even when remote content loading is disabled. A remote attacker can send an HTML…
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element…
Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information di…
In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information discl…
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been…
Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure,…
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure…
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass vi…
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead…
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. Thi…
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing…
An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if s…
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated atta…
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a information disclosure vulnerability in the HTML style sanitizer.
Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.ph…
Cross-Site Scripting (XSS) vulnerability in Roundcube Webmail 1.6.9 allows remote authenticated users to upload a malicious file as an email attachment, leading to the triggering of the XSS by visiti…
mod_css_styles in Roundcube through 1.5.7 and 1.6.x through 1.6.7 insufficiently filters Cascading Style Sheets (CSS) token sequences in rendered e-mail messages, allowing a remote attacker to obtain…
A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desani…
A Cross-Site Scripting vulnerability in rcmail_action_mail_get->run() in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a malicious…
Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 on Windows allows command injection via im_convert_path and im_identify_path. NOTE: this issue exists because of an incomplete fix for CVE-2020-1…
Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via list columns from user preferences.
Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.
Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 allows XSS via a Content-Type or Content-Disposition header (used for attachment preview or download).
Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavio…
Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.
Vulnerability in the password recovery mechanism of Password Recovery plugin for Roundcube, in its 1.2 version, which could allow a remote attacker to change an existing user´s password by adding a 6…
User enumeration vulnerability in Password Recovery plugin 1.2 version for Roundcube, which could allow a remote attacker to create a test script against the password recovery function to enumerate a…
An issue was discovered in CipherMail Webmail Messenger 1.1.1 through 4.1.4. A local attacker could access secret keys (found in a Roundcube configuration file) that are used to protect Webmail user…
Roundcube before 1.4.13 and 1.5.x before 1.5.2 allows XSS via an HTML e-mail message with crafted Cascading Style Sheets (CSS) token sequences.
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params.
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to XSS in handling an attachment's filename extension when displaying a MIME type warning message.
Cross Site Scripting (XSS) vulnerability in Roundcube Mail <=1.4.4 via smtp config in /installer/test.php.
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.
An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference el…
Roundcube Webmail before 1.3.15 and 1.4.8 allows stored XSS in HTML messages during message display via a crafted SVG document. This issue has been fixed in 1.4.8 and 1.3.15.
An issue was discovered in Roundcube Webmail before 1.2.11, 1.3.x before 1.3.14, and 1.4.x before 1.4.7. It allows XSS via a crafted HTML e-mail message, as demonstrated by a JavaScript payload in th…
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. include/rcmail_output_html.php allows XSS via the username template object.
rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.
Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.
An issue was discovered in Roundcube Webmail before 1.4.4. A CSRF attack can cause an authenticated user to be logged out because POST was not considered.
An issue was discovered in Roundcube Webmail before 1.4.4. There is a cross-site scripting (XSS) vulnerability in rcube_washtml.php because JavaScript code can occur in the CDATA of an HTML message.
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.
cPanel before 60.0.25 allows arbitrary file-overwrite operations during a Roundcube update (SEC-164).
cPanel before 64.0.21 allows certain file-chmod operations via /scripts/convert_roundcube_mysql2sqlite (SEC-255).
cPanel before 64.0.21 allows certain file-rename operations in the context of the root account via scripts/convert_roundcube_mysql2sqlite (SEC-254).
cPanel before 67.9999.103 allows arbitrary file-overwrite operations during a Roundcube SQLite schema update (SEC-303).
cPanel before 11.54.0.4 allows arbitrary file-chown and file-chmod operations during Roundcube database conversions (SEC-79).
The Roundcube component of Analogic Poste.io 2.1.6 uses .htaccess to protect the logs/ folder, which is effective with the Apache HTTP Server but is ineffective with nginx. Attackers can read logs vi…
In Roundcube Webmail before 1.3.10, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidde…
steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by an onload attribute in a BODY element, within an HTML attachment.
Roundcube before 1.3.7 mishandles GnuPG MDC integrity-protection warnings, which makes it easier for attackers to obtain sensitive information, a related issue to CVE-2017-17688. This is associated w…
In the rcfilters plugin 2.1.6 for Roundcube, XSS exists via the _whatfilter and _messages parameters (in the Filters section of the settings).
In Roundcube from versions 1.2.0 to 1.3.5, with the archive plugin enabled and configured, it's possible to exploit the unsanitized, user-controlled "_uid" parameter (in an archive.php _task=mail&_mb…
iRedMail version prior to commit f04b8ef contains a Insecure Permissions vulnerability in Roundcube Webmail that can result in Exfiltrate a user's password protected secret GPG key file and other imp…
roundcube version 1.3.4 and earlier contains an Insecure Permissions vulnerability in enigma plugin that can result in exfiltration of gpg private key. This attack appear to be exploitable via networ…
Roundcube Webmail before 1.1.10, 1.2.x before 1.2.7, and 1.3.x before 1.3.3 allows unauthorized access to arbitrary files on the host's filesystem, including configuration files, as exploited in the…
Roundcube Webmail 1.1.x before 1.1.2 allows remote attackers to obtain sensitive information by reading files in the (1) config, (2) temp, or (3) logs directory.
program/steps/addressbook/photo.inc in Roundcube Webmail before 1.0.6 and 1.1.x before 1.1.2 allows remote authenticated users to read arbitrary files via the _alt parameter when uploading a vCard.
Cross-site scripting (XSS) vulnerability in program/include/rcmail.php in Roundcube Webmail 1.1.x before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter t…
Roundcube Webmail allows arbitrary password resets by authenticated users. This affects versions before 1.0.11, 1.1.x before 1.1.9, and 1.2.x before 1.2.5. The problem is caused by an improperly rest…
Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.0.9 and 1.1.x before 1.1.5 allows remote attackers to inject arbitrary web script or HTML via a crafted SVG, a different vulnera…
Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.0.9 and 1.1.x before 1.1.5 allows remote attackers to inject arbitrary web script or HTML via a crafted SVG, a different vulnera…
rcube_utils.php in Roundcube before 1.1.8 and 1.2.x before 1.2.4 is susceptible to a cross-site scripting vulnerability via a crafted Cascading Style Sheets (CSS) token sequence within an SVG element.
Multiple buffer overflows in the DBMail driver in the Password plugin in Roundcube before 1.1.0 allow remote attackers to have unspecified impact via the (1) password or (2) username.
The DBMail driver in the Password plugin in Roundcube before 1.1.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the password.
Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.2.0 allows remote attackers to inject arbitrary web script or HTML via the href attribute in an area tag in an e-mail message.
steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-…
Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail before 1.1.5 allows remote attackers to hijack the authentication of users for requests that download attachments and cause a deni…
Absolute path traversal vulnerability in program/steps/addressbook/photo.inc in Roundcube before 1.0.6 and 1.1.x before 1.1.2 allows remote authenticated users to read arbitrary files via a full path…
Cross-site scripting (XSS) vulnerability in program/include/rcmail.php in Roundcube before 1.0.6 and 1.1.x before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the _mbox pa…
Directory traversal vulnerability in the set_skin function in program/include/rcmail_output_html.php in Roundcube before 1.0.8 and 1.1.x before 1.1.4 allows remote authenticated users with certain pe…
Cross-site scripting (XSS) vulnerability in program/js/app.js in Roundcube webmail before 1.0.7 and 1.1.x before 1.1.3 allows remote authenticated users to inject arbitrary web script or HTML via the…
program/lib/Roundcube/rcube_washtml.php in Roundcube before 1.0.5 does not properly quote strings, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the style attribute…
Multiple cross-site request forgery (CSRF) vulnerabilities in Roundcube Webmail before 1.0.4 allow remote attackers to hijack the authentication of unspecified victims via unknown vectors, related to…
Absolute path traversal vulnerability in steps/mail/sendmail.inc in Roundcube Webmail before 0.7.3 and 0.8.x before 0.8.6 allows remote attackers to read arbitrary files via a full pathname in the _v…
steps/utils/save_pref.inc in Roundcube webmail before 0.8.7 and 0.9.x before 0.9.5 allows remote attackers to modify configuration settings via the _session parameter, which can be leveraged to read…
Cross-site scripting (XSS) vulnerability in Roundcube webmail 1.0-git allows remote authenticated users to inject arbitrary web script or HTML via the Name field of an addressbook group.
Multiple cross-site scripting (XSS) vulnerabilities in Roundcube webmail before 0.9.3 allow user-assisted remote attackers to inject arbitrary web script or HTML via the body of a message visited in…
Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 0.8.5 allows remote attackers to inject arbitrary web script or HTML via a (1) data:text or (2) vbscript link.
Cross-site scripting (XSS) vulnerability in Roundcube Webmail 0.8.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the signature in an email.
Cross-site scripting (XSS) vulnerability in program/lib/washtml.php in Roundcube Webmail 0.8.0 allows remote attackers to inject arbitrary web script or HTML by using "javascript:" in an href attribu…
Cross-site scripting (XSS) vulnerability in program/steps/mail/func.inc in RoundCube Webmail before 0.8.0, when using the Larry skin, allows remote attackers to inject arbitrary web script or HTML vi…
Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 0.7, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via vectors involving an embed…
include/iniset.php in Roundcube Webmail 0.5.4 and earlier, when PHP 5.3.7 or 5.3.8 is used, allows remote attackers to trigger a GET request for an arbitrary URL, and cause a denial of service (resou…
Cross-site scripting (XSS) vulnerability in the UI messages functionality in Roundcube Webmail before 0.5.4 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter to t…
steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote au…
The login form in Roundcube Webmail before 0.5.1 does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote authenticated users to obtain sensit…
Roundcube 0.3.1 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the netwo…
Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail 0.2.2 and earlier allows remote attackers to hijack the authentication of unspecified users for requests that send arbitrary email…
Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail 0.2.2 and earlier allows remote attackers to hijack the authentication of unspecified users for requests that modify user informat…
Cross-site scripting (XSS) vulnerability in RoundCube Webmail (roundcubemail) 0.2 stable allows remote attackers to inject arbitrary web script or HTML via the background attribute embedded in an HTM…
RoundCube Webmail (roundcubemail) before 0.2-beta allows remote attackers to cause a denial of service (memory consumption) via crafted size parameters that are used to create a large quota image.
html2text.php in Chuggnutt HTML to Text Converter, as used in PHPMailer before 5.2.10, RoundCube Webmail (roundcubemail) 0.2-1.alpha and 0.2-3.beta, Mahara, and AtMail Open 1.03, allows remote attack…
Cross-site scripting (XSS) vulnerability in RoundCube webmail 0.1rc2, 2007-12-09, and earlier versions, when using Internet Explorer, allows remote attackers to inject arbitrary web script or HTML vi…
roundcube webmail Alpha, with a default high verbose level ($rcmail_config['debug_level'] = 1), allows remote attackers to obtain the full path of the application via an invalid_task parameter, which…