Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AVideo - CVE-2026-33035

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Main Vulnerability Database Vulnerabilities #VU125439

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AVideo - CVE-2026-33035

Published: April 8, 2026


Vulnerability identifier: #VU125439
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33035
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: World Wide Broadcast Network
Affected software:
AVideo

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary JavaScript in a victim's browser.

The vulnerability exists due to cross-site scripting in the alert rendering functions in view/js/script.js when processing a crafted 404ErrorMsg URL parameter through view/videoNotFound.php. A remote attacker can send a specially crafted link to execute arbitrary JavaScript in a victim's browser.

User interaction is required to open the crafted link.


How to mitigate CVE-2026-33035

Install security update from vendor's website.

Sources