CVE-2026-105089
WWBN AVideo through 29.2.0 contains a stored cross-site scripting vulnerability that allows users with upload permission to inject script by setting a malicious video trailer1 URL.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
WWBN AVideo through 29.2.0 contains a stored cross-site scripting vulnerability that allows users with upload permission to inject script by setting a malicious video trailer1 URL. The value is rendered unescaped in YouPHPFlix2 templates and channel playlists, letting attackers break out of onclick strings or iframe src attributes to execute JavaScript in victims' browsers.
- CVSS 4.0
- 9.3 CRITICALCVSS: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/M
- EPSS
- 0.29% probability · 21th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Source
- disclosure@vulncheck.com
EPSS moved from 0.2% on 5 October 2026 to 0.3% on 27 October 2026.
References
- https://github.com/WWBN/AVideo/commit/c4adfde13d1f18e3a415722471efdcd8ab480035
- https://github.com/WWBN/AVideo/security/advisories/GHSA-6wfr-c7fw-4xvw
- https://www.vulncheck.com/advisories/wwbn-avideo-through-29.2.0-stored-xss-via-trailer1-in-youphpflix2-templates
- https://github.com/WWBN/AVideo/security/advisories/GHSA-6wfr-c7fw-4xvw
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.