CVE-2026-75526

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. From 5.0.8 until 5.0.9, ContentRenderer.renderplaceholder in cms/pluginrendering.py can pass stored, attacker-controlled values to ContentRenderer.renderexception when plugin rendering fail...

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...

django CMS: Missing authorization in `render_object_structure` discloses non-PageContent placeholder structure to low-privileged staff

Summary The django-cms frontend-editing structure endpoint GET //admin/cms/placeholder/object//structure// did not perform an object-level authorization check for non-PageContent objects. Any authenticated, active staff user could request the structure endpoint for a frontend-editable object a...

GHSA-6X92-6VX4-5FWR django CMS: Broken access control in page *Duplicate* allows reading the content of any page (cross-site / restriction bypass)

Impact The only authorization gate on the duplicate flow is PageAdmin.hasaddpermission, which checks usercanaddpageuser, site / usercanaddsubpage... — i.e. “may this user create a page at all”. Nothing checks the user’s relationship to the page being copied: - cms/admin/forms.py —...

django CMS: Broken access control in page *Duplicate* allows reading the content of any page (cross-site / restriction bypass)

Impact The only authorization gate on the duplicate flow is PageAdmin.hasaddpermission, which checks usercanaddpageuser, site / usercanaddsubpage... — i.e. “may this user create a page at all”. Nothing checks the user’s relationship to the page being copied: - cms/admin/forms.py —...

django CMS: Stored XSS in edit-mode plugin exception rendering

Summary When plugin rendering fails in edit mode, django CMS renders a cms-rendering-exception block so editors can see that a placeholder could not be rendered. Older code built that block's heading by interpolating the exception message, placeholder/source strings, and the failing plugin's shor...

django CMS: Structure endpoint bypasses page-view permission

Summary The structure-board endpoint renderobjectstructure renders a page's plugin structure without verifying that the requesting user is allowed to view the page. The edit and preview endpoints enforce this via renderpage, but the structure endpoint does not, allowing a low-privileged staff use...

django CMS: Clipboard copy IDOR discloses unauthorized plugin content

Summary The clipboard copy paths of the copyplugins admin endpoint validate only the target the user's own clipboard and skip source-side authorization. A staff user can copy plugins out of a placeholder they have no permission on into their clipboard, then read the secret content. Details In...

CVE-2026-54625

django CMS is a content management system powered by Django. Prior to 5.0.8 and in 5.1.0a1, the django CMS page cache in cms/cache/page.py ignores request headers declared by plugins through getvarycacheon. The pagecachekey function includes the cache prefix, site, language, path, and timezone bu...

CVE-2026-54623

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the moveplugin endpoint in cms/admin/placeholderadmin.py accepts an attacker-controlled pluginparent value without rejecting a plugin’s own identifier or a descendant...

EUVD-2026-63571

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. From 5.0.8 until 5.0.9, ContentRenderer.renderplaceholder in cms/pluginrendering.py can pass stored, attacker-controlled values to ContentRenderer.renderexception when plugin rendering fail...

CVE-2026-75526 django CMS: Stored XSS in edit-mode plugin exception rendering

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. From 5.0.8 until 5.0.9, ContentRenderer.renderplaceholder in cms/pluginrendering.py can pass stored, attacker-controlled values to ContentRenderer.renderexception when plugin rendering fail...

CVE-2026-75526 django CMS: Stored XSS in edit-mode plugin exception rendering

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. From 5.0.8 until 5.0.9, ContentRenderer.renderplaceholder in cms/pluginrendering.py can pass stored, attacker-controlled values to ContentRenderer.renderexception when plugin rendering fail...

CVE-2026-63003

A staff user with only "add page" permission can POST a crafted source page ID to the duplicate endpoint, copying all placeholders/plugins of an unauthorized page and stripping its view restrictions, exposing restricted or cross-site content. The fix adds an object-level user_can_view_page() chec...

EUVD-2026-63570

django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.9, page duplication lacks an object-level authorization check on the source page. In cms/admin/forms.py, DuplicatePageForm.source accepts any Page, the AddPageForm constructor...

CVE-2026-61663

The render_object_structure view in django CMS (4.0.0–5.0.x) lacked object-level authorization for non-PageContent models using PlaceholderRelationField. An authenticated staff user without cms.use_structure or model-level permissions could request the structure endpoint with guessed IDs to discl...

EUVD-2026-63569

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-2026-54622 django CMS: Clipboard copy IDOR discloses unauthorized plugin content

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...

EUVD-2026-63568

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...

CVE-2026-54624 django CMS: Structure endpoint bypasses page-view permission

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...