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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-j2r3-gr47-rgfm (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-reflected-xss-via-gallery-category-get… (third-party-advisory)
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.