Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AVideo - CVE-2026-33499
Published: April 8, 2026
Vulnerability identifier: #VU125462
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-2026-33499
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: World Wide Broadcast Network
Affected software:
AVideo
AVideo
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary script in the victim's browser.
The vulnerability exists due to cross-site scripting in view/forbiddenPage.php and view/warningPage.php when rendering the unlockPassword request parameter into HTML input attributes. A remote attacker can send a specially crafted link to execute arbitrary script in the victim's browser.
User interaction is required because the victim must click the crafted link.
How to mitigate CVE-2026-33499
Install security update from vendor's website.