Vulnerability · Published Sep 11, 2026 · Assigned by VulnCheck
CVE-2026-89249AVideo YPTWallet Stored XSS via CryptoWallet Configuration
High 8.7
In plain English
A high-severity cross-site scripting in AVideo from WWBN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Official description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the YPTWallet plugin where user-supplied CryptoWallet values are base64-encoded but not HTML-escaped before storage in wallet_log.information. Administrators viewing pending withdrawal requests in pendingRequests.php execute the stored markup in their session, allowing attackers to perform administrative actions via same-origin fetch requests.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References
- GitHub Security Advisory (GHSA-fvp5-q9jp-29mx) vendor-advisory
- VulnCheck Advisory: AVideo YPTWallet Stored XSS via CryptoWallet Configuration third-party-advisory