EUVD-2026-76858
GHSA-6vjh-7wpq-7jv4
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible endpoint requires authenticated low-privilege user; impact is integrity-only (unauthorized playlist association), no confidentiality or availability effect.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate watch permissions in the playListAddVideo.json.php endpoint when adding videos to playlists. Authenticated attackers can add password-protected videos they cannot watch to playlists they own by submitting the video ID and playlist ID parameters.
AnalysisAI
Missing authorization in WWBN AVideo's playListAddVideo.json.php endpoint allows authenticated users to add password-protected videos to their own playlists without possessing the watch permissions those videos require. The flaw, identified through commit c3edcc274c389816d434acadac07ee78eaf330c1, stems from the server trusting submitted video and playlist IDs without verifying whether the requesting user is authorized to access the referenced video content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated account on the AVideo instance (PR:L); anonymous exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.3 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N) is broadly appropriate: exploitation requires valid credentials (PR:L) and yields only low integrity impact (VI:L), with no confidentiality or availability consequences. … 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 | Apply the fix referenced in GitHub Security Advisory GHSA-xhg9-rc5h-rp65; no specific patched release version is identified in the available data, so operators should verify the latest commit on the WWBN/AVideo repository post-c3edcc274c and confirm the authorization check has been introduced in playListAddVideo.json.php. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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