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WWBN AVideo CVE-2026-90538

| EUVDEUVD-2026-76856 MEDIUM
Information Exposure (CWE-200)
2026-09-12 VulnCheck GHSA-xpgj-rxcp-fx4h
PHP Information Disclosure 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

Network-reachable, no auth required, no user interaction; confidentiality impact is low (playlist metadata only), no integrity or availability impact.

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

1
Analysis Generated
Sep 12, 2026 - 13:13 vuln.today

DescriptionCVE.org

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in playlistsFromUser.json.php that allows unauthenticated attackers to read private playlists by requesting another user's identifier. Attackers can retrieve Favorite and Watch Later playlists belonging to other users due to improper cache keying that conflates requests across different user contexts.

AnalysisAI

Unauthenticated information disclosure in WWBN AVideo exposes private playlist data for any user when an attacker supplies a target's user identifier to the playlistsFromUser.json.php endpoint. The root flaw is improper cache keying that fails to scope responses to the requesting user's session, allowing Favorite and Watch Later playlists to leak across user contexts. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The playlistsFromUser.json.php endpoint must be network-reachable, which is the default configuration for any public-facing AVideo deployment. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N) scores 6.9, reflecting network-accessible unauthenticated exploitation with low confidentiality impact scoped only to the vulnerable system. … 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 WWBN AVideo to a commit after c3edcc274c389816d434acadac07ee78eaf330c1 per GitHub Security Advisory GHSA-6382-hm4f-hxqg (https://github.com/WWBN/AVideo/security/advisories/GHSA-6382-hm4f-hxqg); a specific patched release version is not independently confirmed from available data, so operators should verify the latest tagged release in the repository supersedes the vulnerable commit. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90538 vulnerability details – vuln.today
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