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...

CVE-2026-54622

django CMS prior to 5.0.8 contains an IDOR in the copy_plugins admin endpoint (cms/admin/placeholderadmin.py). The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths validate only the destination clipboard but never perform source-side authorization on the attacker-supplied source...