CVE-2026-42366 GeoVision LPC2011/LPC2211 Web Interface / ssi.cgi reflected cross-site scripting (XSS) vulnerabilities

High 7.4 Published 4 May 2026 Updated 4 May 2026

Attackers can execute arbitrary JavaScript via crafted URLs in the GeoVision LPC2011/LPC2211 web interface, potentially compromising user sessions.

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-2026-42366?

CVE-2026-42366 is a high-severity cross-site scripting vulnerability in GeoVision Inc. GV-LPC2011/LPC2211, published on 4 May 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

Multiple reflected cross-site scripting (xss) vulnerabilities exist in the Web Interface / ssi.cgi functionality of GeoVision LPC2011/LPC2211 1.10. A specially crafted malicious url can lead to an arbitrary javascript code execution. An attacker can provide a crafted URL to trigger this vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2026-42366?

It affects 2 products.

Products include Geovision Gv-Lpc2011 Firmware, Geovision Gv-Lpc2211 Firmware.

How do I fix CVE-2026-42366?

No fix has been published for CVE-2026-42366 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-2026-42366 being exploited?

There is no known exploitation of CVE-2026-42366 in the wild and no public exploit code.

Sources

Also known as GHSA-q4wh-2frc-937q.