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WWBN AVideo EUVDEUVD-2026-76865

| CVE-2026-90547 MEDIUM
Missing Authorization (CWE-862)
2026-09-12 VulnCheck GHSA-v86r-h3f2-v3j8
PHP Avideo Wwbn
6.9
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.9 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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
vuln.today AI
5.3 MEDIUM

Unauthenticated network endpoint returns only chapter metadata (low confidentiality); no integrity or availability impact; no scope change.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Metadata Corrected
Sep 12, 2026 - 13:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 12, 2026 - 13:10 vuln.today

DescriptionCVE.org

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate user permissions in the Bookmark plugin getBookmarks.json.php endpoint, allowing unauthenticated attackers to read chapter names from password-protected videos. Attackers can query the endpoint with a video ID parameter to retrieve sensitive chapter metadata without authentication or password verification.

AnalysisAI

Missing authorization in WWBN AVideo's Bookmark plugin exposes chapter names from password-protected videos to unauthenticated network attackers. The getBookmarks.json.php PHP endpoint accepts a video ID parameter and returns bookmark/chapter metadata without verifying that the requester holds the video password or any session credential, bypassing the password-protection model entirely for this data class. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The Bookmark plugin must be installed and enabled on the AVideo instance - instances without this plugin are not affected. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N) is appropriate and well-calibrated to the actual 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 Update AVideo to a commit later than c3edcc274c389816d434acadac07ee78eaf330c1 as directed by vendor advisory GHSA-xv29-q875-59jq at https://github.com/WWBN/AVideo/security/advisories/GHSA-xv29-q875-59jq. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-76865 vulnerability details – vuln.today
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