CVE-2025-2123: Qbnz Geshi

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Qbnz Geshi: up to and including 1.0.9.1

Published 2025-03-09. Last modified 2026-06-17.