CVE-2026-33035 — Cross-site Scripting in Avideo
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 78.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
Latest updateMar 17
PublishedMar 20
Description
WWBN AVideo is an open source video platform. In versions 25.0 and below, there is a reflected XSS vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser. User input from a URL parameter flows through PHP's json_encode() into a JavaScript function that renders it via innerHTML, bypassing encoding and achieving full script execution. The vulnerability is caused by two issues working together: unescaped user input passed to JavaScript (videoNotFou…
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N