CVE-2026-89255
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.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.3
- CVSS vector
- 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
- EPSS probability
- 0.35%
- CWE
- CWE-79
- Published
- 2026-09-11
- Last modified
- 2026-09-11
Affected products
- WWBN AVideo
Weakness type
Related vulnerabilities
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- CVE-2026-90561 — Strapi 4.x through 4.26.2 and 5.x before 5.48.1 Stored XSS via WYSIWYG
- CVE-2026-89256 — AVideo Bookmark Plugin Stored XSS via Chapter Names
- CVE-2026-89254 — AVideo CustomizeUser Stored XSS via field_name Parameter
- CVE-2026-89253 — AVideo Stored XSS via donationLink in watch page button
- CVE-2026-89249 — AVideo YPTWallet Stored XSS via CryptoWallet Configuration
- CVE-2026-88869 — AVideo AD_Server Stored XSS via log.php label parameter