CVE-2026-107848

Contao is an Open Source CMS. From version 4.0.0 until 5.3.50 and 5.7.12, RequestTokenListener validates REQUESTTOKEN only for POST requests, while the declarative GET guard runs only when an act parameter is present. Backend actions dispatched through the key parameter can therefore execute...

GHSA-9FF2-P842-45WQ Contao: Cross-site request forgery in custom backend actions

RequestTokenListener is the only generic REQUESTTOKEN validator in Contao and it only runs on POST. On the GET side the guard is local and declarative, and it only fires when an act parameter is present. Every back end action dispatched through a different parameter therefore has no CSRF protecti...

CVE-2026-107848 Contao: Cross-site request forgery in custom backend actions

Contao is an Open Source CMS. From version 4.0.0 until 5.3.50 and 5.7.12, RequestTokenListener validates REQUESTTOKEN only for POST requests, while the declarative GET guard runs only when an act parameter is present. Backend actions dispatched through the key parameter can therefore execute...

EUVD-2026-95979

Contao is an Open Source CMS. From version 4.0.0 until 5.3.50 and 5.7.12, RequestTokenListener validates REQUESTTOKEN only for POST requests, while the declarative GET guard runs only when an act parameter is present. Backend actions dispatched through the key parameter can therefore execute...

CVE-2026-107848 Contao: Cross-site request forgery in custom backend actions

Contao is an Open Source CMS. From version 4.0.0 until 5.3.50 and 5.7.12, RequestTokenListener validates REQUESTTOKEN only for POST requests, while the declarative GET guard runs only when an act parameter is present. Backend actions dispatched through the key parameter can therefore execute...

PT-2026-109305

Name of the Vulnerable Software and Affected Versions Contao versions 4.0.0 through 5.3.49 Contao versions 5.7.0 through 5.7.11 Description An unauthenticated visitor can submit a comment containing a Cross-Site Scripting XSS injection. The issue occurs because the listComments function in...

CVE-2026-63002 REDAXO: Stored XSS in Mediapool Sync Page via Unescaped Filesystem Filenames

REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rexescape. An attacker who can place an unregistered file with HTML metacharacters in th...

CVE-2026-63001

REDAXO CMS (prior to version 5.21.2 ) is vulnerable to Stored Cross-Site Scripting (XSS) due to an unescaped media manager type name in the mediaIsInUse() handler. Located in redaxo/src/addons/media_manager/lib/media_manager.php, the system fails to use rex_escape() when constructing an HTML anch...

CVE-2026-63001 REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`

REDAXO is a PHP-based content management system. Prior to 5.21.2, the mediaIsInUse handler in redaxo/src/addons/mediamanager/lib/mediamanager.php inserts a Media Manager type name into raw backend warning HTML without escaping it when invoked through MEDIAISINUSE. An administrator with Media...

CVE-2026-63001 REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`

REDAXO is a PHP-based content management system. Prior to 5.21.2, the mediaIsInUse handler in redaxo/src/addons/mediamanager/lib/mediamanager.php inserts a Media Manager type name into raw backend warning HTML without escaping it when invoked through MEDIAISINUSE. An administrator with Media...

CVE-2026-63002: Improper Neutralization of Input During Web Page Generation

REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rexescape. An attacker who can place an unregistered file with HTML metacharacters in th...

Cross-site request forgery in custom backend actions (see GHSA-9ff2-p842-45wq)

More info at https://contao.org/en/security-advisories/cross-site-request-forgery-in-custom-backend-actions...

Cross-site request forgery in custom backend actions (see GHSA-9ff2-p842-45wq)

More info at https://contao.org/en/security-advisories/cross-site-request-forgery-in-custom-backend-actions...

CVE-2026-63685 Joomla Extension - regularlabs.com - Authorization bypass in DB Replacer extension

Joomla Extension - regularlabs.com - Authorization bypass in DB Replacer extension - Administrator routes and replacement requests did not consistently require Super User permission and a valid token. An unauthorized backend user or CSRF attack could perform database replacements, potentially...