EUVD-2026-63567
GHSA-vgxm-h9gx-h9w7
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Staff credential required (PR:L); network-reachable HTTP endpoint (AV:N, AC:L); confidentiality-only impact with no integrity or availability effect; scope unchanged.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
3DescriptionCVE.org
django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, render_object_structure in cms/views.py renders cms/toolbar/structure.html for a PageContent object without calling user_can_view_page(). Any staff account can request a restricted page’s structure when CMS_PERMISSION is enabled and the page has view restrictions or CMS_PUBLIC_FOR is set to staff. The response exposes plugin get_short_description() values, including link names, URLs, and text snippets, rather than only the page shape. This issue is fixed in versions 5.0.8.
AnalysisAI
Unauthorized page-content disclosure in django CMS prior to 5.0.8 allows any staff account to retrieve the plugin structure of view-restricted pages by requesting the render_object_structure endpoint, which omits the user_can_view_page() authorization check enforced by the edit and preview endpoints. Exposed data includes plugin short descriptions - link names, target URLs, and text snippets - constituting genuine content disclosure, not merely structural metadata. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires three concurrent conditions: (1) a valid staff account (is_staff=True) on the target django CMS instance - unauthenticated attackers cannot exploit this, as PR:L in the CVSS vector confirms; (2) CMS_PERMISSION=True set in the Django project settings, which is not the default configuration; and (3) at least one page configured with view restrictions or CMS_PUBLIC_FOR='staff'. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, score 6.5) accurately reflects the attack profile: network-reachable, low complexity, requiring a valid staff credential, with high confidentiality impact and no integrity or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to django-cms 5.0.8 or later, which adds user_can_view_page() enforcement in the structure endpoint to match the authorization behavior of the edit and preview endpoints. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-285 – Improper Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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