CVE-2026-61663

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.9, renderobjectstructure fails to authorize non-PageContent objects that use PlaceholderRelationField. An active staff user without cms.usestructure or model-level view or chan...

CVE-2026-54624

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, renderobjectstructure in cms/views.py renders cms/toolbar/structure.html for a PageContent object without calling usercanviewpage. Any staff account can request a restricted...

CVE-2026-54622

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copyplugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The copyplugintoclipboard and copyplaceholdertoclipboard paths accept...

Improper Handling of Insufficient Permissions or Privileges

Overview wagtail is an open source content management system built on Django. Affected versions of this package are vulnerable to Improper Handling of Insufficient Permissions or Privileges in the copy for snippets. An attacker can gain unauthorized access to the contents of existing snippets by...

Improper Handling of Insufficient Permissions or Privileges

Overview wagtail is an open source content management system built on Django. Affected versions of this package are vulnerable to Improper Handling of Insufficient Permissions or Privileges via the API V2. An attacker can access filenames and names of documents and images in descendant collection...

GHSA-HQ84-X37P-J6Q5 Winter: Reflected XSS through the search query parameter in the backend Table widget

Impact Affected versions of Winter CMS render the search query parameter without HTML encoding inside a block in the backend Table widget partial modules/backend/widgets/table/partials/table.php: php value="" is an HTML raw-text context, so the surrounding value="…" attribute quoting is not a...

Winter: Reflected XSS through the search query parameter in the backend Table widget

Impact Affected versions of Winter CMS render the search query parameter without HTML encoding inside a block in the backend Table widget partial modules/backend/widgets/table/partials/table.php: php value="" is an HTML raw-text context, so the surrounding value="…" attribute quoting is not a...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the search parameter in the backend Table widget partial. An attacker can execute arbitrary scripts in the context of an authenticated backend user by enticing the user to follow a crafted link. This is only...

Winter: CSRF through AJAX handler names reachable as backend page actions

Impact Affected versions of Winter CMS allow a backend AJAX handler to be invoked by a plain top-level GET navigation with no CSRF token. Backend\Classes\Controller::actionExists accepted any public method on a controller as a page action, so handler-shaped names were never reserved from URL...

GHSA-P2CH-C2C3-4XM5 Winter: CSRF through AJAX handler names reachable as backend page actions

Impact Affected versions of Winter CMS allow a backend AJAX handler to be invoked by a plain top-level GET navigation with no CSRF token. Backend\Classes\Controller::actionExists accepted any public method on a controller as a page action, so handler-shaped names were never reserved from URL...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the actionExists process. An attacker can cause destructive changes to system state, such as truncating logs, resetting settings, altering user states, or deleting templates, by tricking an...

GHSA-5CWR-5JXG-PCF6 Winter: Stored XSS through cached Brand Settings and Editor Settings custom styles

Impact Users with the backend.managebranding "Customize the back-end" or backend.manageeditor "Manage global code editor preferences" permission can provide custom CSS through Settings → Customize Backend → Styles or Settings → Editor Settings → Markup Styles that is compiled through the LESS CSS...

Winter: Stored XSS through cached Brand Settings and Editor Settings custom styles

Impact Users with the backend.managebranding "Customize the back-end" or backend.manageeditor "Manage global code editor preferences" permission can provide custom CSS through Settings → Customize Backend → Styles or Settings → Editor Settings → Markup Styles that is compiled through the LESS CSS...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the renderCss process. An attacker can inject malicious CSS or scripts into backend pages by providing specially crafted custom styles through the backend customization or editor settings interfaces. This ca...

Winter: ImportExportController AJAX handlers bypass granular import/export permission gate

Impact Affected versions of Winter CMS did not enforce the ImportExportController behavior's granular access control on the handlers that actually perform the work. The behavior supports per-operation access control through the importpermissions and exportpermissions configuration keys, enforced ...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the ImportExportController AJAX handlers due to insufficient enforcement of granular access control. An attacker can access or modify sensitive data by invoking import or export operations through AJAX handler...

GHSA-FM29-4MQ3-PHG6 Winter: ImportExportController AJAX handlers bypass granular import/export permission gate

Impact Affected versions of Winter CMS did not enforce the ImportExportController behavior's granular access control on the handlers that actually perform the work. The behavior supports per-operation access control through the importpermissions and exportpermissions configuration keys, enforced ...

Winter: My Account preview exposes another backend user's profile by record ID

Impact Backend\Controllers\MyAccount, introduced in v1.2.13, declares an empty $requiredPermissions array so that any authenticated backend user can manage their own account. It implements the FormController behavior, which exposes three routable actions — create, update and preview — that each...

GHSA-MPMW-F6H6-3G26 Winter: My Account preview exposes another backend user's profile by record ID

Impact Backend\Controllers\MyAccount, introduced in v1.2.13, declares an empty $requiredPermissions array so that any authenticated backend user can manage their own account. It implements the FormController behavior, which exposes three routable actions — create, update and preview — that each...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the preview and update actions in the backend account management process. An attacker can access sensitive profile information of other backend users by supplying arbitrary user IDs i...