CVE-2026-89244 WWBN AVideo Reflected XSS via Gallery Category getBackURL
Reflected XSS in AVideo allows script injection via the getBackURL parameter when SubCategorys are enabled, affecting visitors interacting with the Back control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-89244?
CVE-2026-89244 is a medium-severity cross-site scripting vulnerability in WWBN AVideo, published on 11 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-89244?
How do I fix CVE-2026-89244?
No fix has been published for CVE-2026-89244 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-89244 being exploited?
There is no known exploitation of CVE-2026-89244 in the wild and no public exploit code.
Sources
Also known as GHSA-7c8p-rvh6-cm6v, GHSA-j2r3-gr47-rgfm.