{"id":"CVE-2026-54622","aliases":["EUVD-2026-63568","GHSA-4xfr-4p46-gc6p","PYSEC-2026-3820"],"status":"published","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00415,"percentile":0.36272,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-08-20T18:06:00Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"PyPI","package":"django-cms","fixed_in":["5.0.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"django-cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8"}]}]},{"source":"osv","ecosystem":"PyPI","package":"django-cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8"}]}],"versions":["2.0.1","2.0.2","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.2","2.2.1","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.4.0","2.4.1","2.4.2","2.4.3","3.0","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.0.b1","3.1.0rc1","3.1.0rc2","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.10.0","3.10.0rc1","3.10.0rc2","3.10.1","3.10.1rc1","3.11.0","3.11.1","3.11.10","3.11.11","3.11.1rc1","3.11.2","3.11.3","3.11.4","3.11.5","3.11.6","3.11.7","3.11.8","3.11.9","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.3.0","3.3.0rc2","3.3.0rc3","3.3.0rc4","3.3.1","3.3.2","3.3.3","3.3.4","3.4.0","3.4.1","3.4.2","3.4.3","3.4.4","3.4.5","3.4.6","3.4.7","3.5.0","3.5.1","3.5.2","3.5.3","3.5.4","3.6.0","3.6.0rc1","3.6.0rc3","3.6.1","3.7.0","3.7.0rc1","3.7.0rc2","3.7.1","3.7.2","3.7.3","3.7.4","3.8.0","3.8.0rc1","3.8.1","3.8.2","3.9.0","3.9.0rc1","3.9.0rc2","3.9.0rc3","4.1.0","4.1.0rc1","4.1.0rc2","4.1.0rc3","4.1.0rc4","4.1.0rc5","4.1.1","4.1.10","4.1.11","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.9","5.0.0","5.0.0a1","5.0.1","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6","5.0.7"]},{"source":"osv","ecosystem":"PyPI","package":"django-cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8"}]}],"versions":["2.0.1","2.0.2","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.2","2.2.1","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.4.0","2.4.1","2.4.2","2.4.3","3.0","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.0.b1","3.1.0rc1","3.1.0rc2","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.10.0","3.10.0rc1","3.10.0rc2","3.10.1","3.10.1rc1","3.11.0","3.11.1","3.11.10","3.11.11","3.11.1rc1","3.11.2","3.11.3","3.11.4","3.11.5","3.11.6","3.11.7","3.11.8","3.11.9","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.3.0","3.3.0rc2","3.3.0rc3","3.3.0rc4","3.3.1","3.3.2","3.3.3","3.3.4","3.4.0","3.4.1","3.4.2","3.4.3","3.4.4","3.4.5","3.4.6","3.4.7","3.5.0","3.5.1","3.5.2","3.5.3","3.5.4","3.6.0","3.6.0rc1","3.6.0rc3","3.6.1","3.7.0","3.7.0rc1","3.7.0rc2","3.7.1","3.7.2","3.7.3","3.7.4","3.8.0","3.8.0rc1","3.8.1","3.8.2","3.9.0","3.9.0rc1","3.9.0rc2","3.9.0rc3","4.1.0","4.1.0rc1","4.1.0rc2","4.1.0rc3","4.1.0rc4","4.1.0rc5","4.1.1","4.1.10","4.1.11","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.9","5.0.0","5.0.0a1","5.0.1","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6","5.0.7"]}],"products":[{"vendor":"django cms association","product":"django-cms"},{"vendor":"django-cms","product":"django-cms"}],"references":[{"url":"https://github.com/django-cms/django-cms/security/advisories/GHSA-4xfr-4p46-gc6p","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/django-cms/django-cms/pull/8645","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/django-cms/django-cms/commit/7642a98ab3170793c0b27b4125dd1f3d318b8a1c","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/django-cms/django-cms/releases/tag/5.0.8","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/advisories/GHSA-4xfr-4p46-gc6p","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54622.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54622","tags":["advisory"]},{"url":"https://github.com/django-cms/django-cms","tags":["package"]},{"url":"https://pypi.org/project/django-cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-54622","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.","status":"published","published":"2026-08-20T18:06:00.186Z","modified":"2026-08-20T18:50:59.089Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:38:09.774038Z"}],"euvd":[{"id":"EUVD-2026-63568","description":"django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.","status":"published","published":"2026-08-20T18:06:00Z","modified":"2026-08-20T18:50:59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:38.846525Z"}],"ghsa":[{"id":"GHSA-4xfr-4p46-gc6p","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"### Summary\n  The clipboard copy paths of the `copy_plugins` 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.\n\n  ### Details\n  In `cms/admin/placeholderadmin.py`, `_copy_plugin_to_clipboard` and   `_copy_placeholder_to_clipboard` check `has_copy_plugins_permission`, which only  evaluates `request.toolbar.clipboard.has_add_plugins_permission(...)` — the\n  clipboard belongs to the requesting user, and `check_source` is likewise  applied only to the clipboard. The source placeholder identified by the  attacker-supplied `source_placeholder_id` / `source_plugin_id` is never  authorization-checked. (The placeholder-to-placeholder copy path,  `has_copy_from_placeholder_permission`, correctly checks both sides.)\n\n  ### Impact\n  A staff user holding the global add permission for a plugin type, but with no  access to a given placeholder/page, can copy that placeholder's plugins into  their own clipboard and read content (e.g. link names/URLs, text) they cannot  reach through the normal edit endpoints.\n\n  Requires `CMS_PERMISSION=True` with per-placeholder/page restrictions.\n\n  ### Patches\n  Fixed in 5.0.8: the clipboard copy paths now also verify   source-side permission (`has_add_plugins_permission` + `check_source` on the  source placeholder), matching placeholder-to-placeholder copy.\n\n  ### Workarounds\n  None. Upgrade is recommended.\n\n  ### Credits\n  Reported by the security team at the University of Sydney ([@reporter]).","status":"published","published":"2026-08-20T18:42:11Z","modified":"2026-08-20T18:42:14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:41:04.755504Z"}],"nvd":[{"id":"CVE-2026-54622","description":"django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.","status":"published","published":"2026-08-20T19:16:55.333Z","modified":"2026-10-26T10:10:00.14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:40.302911Z"}],"osv":[{"id":"CVE-2026-54622","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.","status":"published","published":"2026-08-20T18:06:00.186Z","modified":"2026-10-28T02:30:55.055704991Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:10.818486Z"},{"id":"GHSA-4xfr-4p46-gc6p","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"### Summary\n  The clipboard copy paths of the `copy_plugins` 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.\n\n  ### Details\n  In `cms/admin/placeholderadmin.py`, `_copy_plugin_to_clipboard` and   `_copy_placeholder_to_clipboard` check `has_copy_plugins_permission`, which only  evaluates `request.toolbar.clipboard.has_add_plugins_permission(...)` — the\n  clipboard belongs to the requesting user, and `check_source` is likewise  applied only to the clipboard. The source placeholder identified by the  attacker-supplied `source_placeholder_id` / `source_plugin_id` is never  authorization-checked. (The placeholder-to-placeholder copy path,  `has_copy_from_placeholder_permission`, correctly checks both sides.)\n\n  ### Impact\n  A staff user holding the global add permission for a plugin type, but with no  access to a given placeholder/page, can copy that placeholder's plugins into  their own clipboard and read content (e.g. link names/URLs, text) they cannot  reach through the normal edit endpoints.\n\n  Requires `CMS_PERMISSION=True` with per-placeholder/page restrictions.\n\n  ### Patches\n  Fixed in 5.0.8: the clipboard copy paths now also verify   source-side permission (`has_add_plugins_permission` + `check_source` on the  source placeholder), matching placeholder-to-placeholder copy.\n\n  ### Workarounds\n  None. Upgrade is recommended.\n\n  ### Credits\n  Reported by the security team at the University of Sydney ([@reporter]).","status":"published","published":"2026-08-20T18:42:11Z","modified":"2026-09-10T12:26:06.11539539Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"PYSEC-2026-3820","title":"django CMS: Clipboard copy IDOR discloses unauthorized plugin content","description":"### Summary\n  The clipboard copy paths of the `copy_plugins` 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.\n\n  ### Details\n  In `cms/admin/placeholderadmin.py`, `_copy_plugin_to_clipboard` and   `_copy_placeholder_to_clipboard` check `has_copy_plugins_permission`, which only  evaluates `request.toolbar.clipboard.has_add_plugins_permission(...)` — the\n  clipboard belongs to the requesting user, and `check_source` is likewise  applied only to the clipboard. The source placeholder identified by the  attacker-supplied `source_placeholder_id` / `source_plugin_id` is never  authorization-checked. (The placeholder-to-placeholder copy path,  `has_copy_from_placeholder_permission`, correctly checks both sides.)\n\n  ### Impact\n  A staff user holding the global add permission for a plugin type, but with no  access to a given placeholder/page, can copy that placeholder's plugins into  their own clipboard and read content (e.g. link names/URLs, text) they cannot  reach through the normal edit endpoints.\n\n  Requires `CMS_PERMISSION=True` with per-placeholder/page restrictions.\n\n  ### Patches\n  Fixed in 5.0.8: the clipboard copy paths now also verify   source-side permission (`has_add_plugins_permission` + `check_source` on the  source placeholder), matching placeholder-to-placeholder copy.\n\n  ### Workarounds\n  None. Upgrade is recommended.\n\n  ### Credits\n  Reported by the security team at the University of Sydney ([@reporter]).","status":"published","published":"2026-09-10T09:44:52.368972Z","modified":"2026-09-10T12:15:06.097864218Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:57.255153Z"}]}}