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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 3
https://github.com/WWBN/AVideo/commit/c4adfde13d1f18e3a415722471efdcd8ab480035
disclosure@vulncheck.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-6wfr-c7fw-4xvw
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/wwbn-avideo-through-29.2.0-stored-xss-via-…
disclosure@vulncheck.com