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WWBN AVideo CVE-2026-90539

| EUVDEUVD-2026-76857 MEDIUM
Information Exposure (CWE-200)
2026-09-12 VulnCheck GHSA-92wf-68v3-h8h4
PHP Authentication Bypass 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; low confidentiality impact only as leaked data is admin menu metadata, not credentials or PII.

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 authentication vulnerability in the plugin/TopMenu/menuItems.json.php endpoint that allows unauthenticated attackers to read inactive admin menu items by submitting a POST request with a menuId parameter. Attackers can retrieve hidden menu item URLs including embedded admin-tool secret query parameters not exposed in the public navbar.

AnalysisAI

Unauthenticated information disclosure in WWBN AVideo through commit c3edcc274c exposes inactive admin menu items and embedded secret query parameters via the unprotected plugin/TopMenu/menuItems.json.php PHP endpoint. Any network-reachable attacker can POST a menuId parameter to retrieve admin-tool URLs that are hidden from the public navbar, including secret tokens or keys embedded directly in those URLs. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation No special conditions - unauthenticated remote exploitation against any network-accessible AVideo instance through commit c3edcc274c. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 with vector AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N accurately reflects the low direct confidentiality impact - this does not yield RCE or privilege escalation on its own. … 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 the vendor GitHub security advisory GHSA-h964-rxm2-fpgj (https://github.com/WWBN/AVideo/security/advisories/GHSA-h964-rxm2-fpgj); the exact patched release version is not independently confirmed from the available input data, so operators should check the advisory for the specific commit or tag to upgrade to. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90539 vulnerability details – vuln.today
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