# CVE-2026-89255

## Summary

- **CVE ID:** CVE-2026-89255
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (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)
- **CWE:** CWE-79
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## Description

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to HTML-encode PGP public keys echoed into a textarea element. An authenticated attacker can inject malicious JavaScript by submitting a crafted public key, which executes in an administrator's session when viewing the user's profile tab.

## Affected Products

- WWBN — AVideo (0)

## References

- [CNA](https://github.com/WWBN/AVideo/security/advisories/GHSA-gq4h-vw2w-9rx3)
- [CNA](https://www.vulncheck.com/advisories/avideo-logincontrol-stored-xss-via-pgp-public-key)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.35%
- **EPSS Percentile:** 28.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._