XSS in Wwbn Avideo

CVE-2026-89244

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a reflected cross-site scripting vulnerability in plugin/Gallery/view/Category.php when SubCategorys is enabled. The getBackURL parameter is echoed into an href attribute without HTML encoding, allowing attackers to inject malicious scripts that execute in visitors' browsers when they interact with the Back control.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-89244?
CVE-2026-89244 is a medium-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-11.
How severe is CVE-2026-89244?
Medium severity. CVSS v3 base score is 6.1 out of 10.