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CVE

CVE-2026-88866

WWBN AVideo LoginControl Stored XSS via User-Agent Header
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CVE

CVE-2026-88866

WWBN AVideo LoginControl Stored XSS via User-Agent Header

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88866.json, https://github.com/WWBN/AVideo/security/advisories/GHSA-wg67-62q3-2m33, https://nvd.nist.gov/vuln/detail/CVE-2026-88866, https://www.vulncheck.com/advisories/wwbn-avideo-logincontrol-stored-xss-via-user-agent-header

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00445%
EPSS Percentile
0.38733%
Introduced Version
0
Fix Available

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