CVE-2026-88866

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to encode the User-Agent header before storing it in login history. Attackers with any valid login account can inject malicious scripts in the User-Agent header that execute in administrator browsers when viewing the Login History page, allowing script execution within the administrator session.

CVSS v3 8.7 HIGH

8.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.3 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/WWBN/AVideo/security/advisories/GHSA-wg67-62q3-2m33
https://www.vulncheck.com/advisories/wwbn-avideo-logincontrol-stored-xss-via-user-agent-header
https://github.com/WWBN/AVideo/security/advisories/GHSA-wg67-62q3-2m33

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-10 14:17

Updated : 2026-09-15 15:17

NVD link : CVE-2026-88866

Mitre link : CVE-2026-88866

CVE.ORG link : CVE-2026-88866

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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