EUVD-2026-85308

REDAXO is a PHP-based content management system. Prior to 5.21.2, rexapiinstallpackageupdate in redaxo/src/addons/install/lib/api/apipackageupdate.php inherits the false default from rexapifunction::requiresCsrfProtection instead of requiring a CSRF token. An unauthenticated attacker can cause a...

CVE-2026-63000

The REDAXO PHP-based content management system is vulnerable to a Cross-Site Request Forgery (CSRF) attack in versions prior to 5.21.2 . The rex_api_install_package_update function in redaxo/src/addons/install/lib/api/api_package_update.php fails to override the requiresCsrfProtection() method, w...

CVE-2026-62998 REDAXO: Unwhitelisted ORDER BY Column in rex_list Allows Authenticated Column Enumeration

REDAXO is a PHP-based content management system. Prior to 5.21.2, rexlist::getSortColumn in redaxo/src/core/lib/list.php accepts the sort request parameter without checking whether setColumnSortable registered the requested column. An authenticated backend user can make prepareQuery add an escape...

CVE-2026-62998 REDAXO: Unwhitelisted ORDER BY Column in rex_list Allows Authenticated Column Enumeration

REDAXO is a PHP-based content management system. Prior to 5.21.2, rexlist::getSortColumn in redaxo/src/core/lib/list.php accepts the sort request parameter without checking whether setColumnSortable registered the requested column. An authenticated backend user can make prepareQuery add an escape...

CVE-2026-62998 REDAXO: Unwhitelisted ORDER BY Column in rex_list Allows Authenticated Column Enumeration

REDAXO is a PHP-based content management system. Prior to 5.21.2, rexlist::getSortColumn in redaxo/src/core/lib/list.php accepts the sort request parameter without checking whether setColumnSortable registered the requested column. An authenticated backend user can make prepareQuery add an escape...

CVE-2026-62998

The REDAXO PHP-based content management system is vulnerable to an unauthorized ORDER BY identifier injection in versions prior to 5.21.2 . The root cause is located in rex_list::getSortColumn() within redaxo/src/core/lib/list.php, which fails to verify if a requested column was registered via se...

GHSA-W998-QMW9-MF4M REDAXO: Stored XSS in Mediapool Sync Page via Unescaped Filesystem Filenames

Summary The mediapool sync page sync.php renders filenames from the /media filesystem directory directly into HTML without applying rexescape i.e., htmlspecialchars. Any file placed in the media directory whose filename contains HTML metacharacters will execute JavaScript in the browser of any...

REDAXO: Stored XSS in Mediapool Sync Page via Unescaped Filesystem Filenames

Summary The mediapool sync page sync.php renders filenames from the /media filesystem directory directly into HTML without applying rexescape i.e., htmlspecialchars. Any file placed in the media directory whose filename contains HTML metacharacters will execute JavaScript in the browser of any...

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-2026-63002

The REDAXO PHP-based content management system is vulnerable to Stored Cross-Site Scripting (XSS) in the Mediapool Sync page (sync.php). The root cause is the lack of rex_escape() on the $diffFiles variable, which renders filenames from the /media/ filesystem directly into the HTML. An attacker w...

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-2026-63002 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...

EUVD-2026-85331

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...

REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`

Summary A stored cross-site scripting XSS vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's name field without HTML escaping. An attacker with...

GHSA-MF2P-WJP4-99PQ REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`

Summary A stored cross-site scripting XSS vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's name field without HTML escaping. An attacker with...

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...

EUVD-2026-85329

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-2026-63001 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...