EUVD-2026-75420
GHSA-92c4-4j7c-jw78
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:L/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-delivered CSRF requiring user interaction; PGP key replacement is an integrity violation (I:H), lockout yields A:L, no scope change.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerability in the LoginControl plugin PGP key endpoints that lack CSRF token validation. Attackers can craft malicious pages with image tags pointing to savePublicKey.json.php to replace a logged-in victim's PGP 2FA public key, causing lockout or enabling account takeover if the attacker knows the password.
AnalysisAI
Cross-site request forgery in WWBN AVideo's LoginControl plugin allows network-adjacent unauthenticated attackers to silently replace a logged-in victim's PGP two-factor authentication public key by luring them to a page containing a crafted image tag pointing to the unprotected savePublicKey.json.php GET endpoint. The outcome is either account lockout (denying the legitimate user access) or full account takeover if the attacker independently possesses the victim's password and can now pass 2FA using their own PGP key. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be actively authenticated to the targeted AVideo instance at the time they visit attacker-controlled content. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.1 (AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:L) correctly captures the primary exploitation constraint - passive user interaction is required - but the VI:N rating appears inconsistent with the actual attack mechanics: replacing a cryptographic authentication key stored by the application is a clear integrity modification of the vulnerable system's data, suggesting the vector understates integrity 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 | Administrators should update WWBN AVideo to a commit beyond c3edcc274c389816d434acadac07ee78eaf330c1 as directed by the GitHub Security Advisory GHSA-g4x9-vh2j-h7rj (https://github.com/WWBN/AVideo/security/advisories/GHSA-g4x9-vh2j-h7rj); an exact patched release version was not independently confirmed from the provided data and should be verified directly against that advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify whether WWBN AVideo is deployed in your environment and document all affected versions of the LoginControl plugin; if confirmed, issue a security alert to users warning against clicking suspicious links on internal networks and advising them to report any unexpected 2FA changes. …
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External POC / Exploit Code
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