RCE in Qbnz Geshi
CVE-2025-2123
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Qbnz Geshi
- Geshi — versions 1.0.9.0, 1.0.9.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/GeSHi/geshi-1.0/issues/159 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/GeSHi/geshi-1.0/issues/159 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2025-2123?
- CVE-2025-2123 is a low-severity vulnerability in Qbnz Geshi, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-03-09.
- How severe is CVE-2025-2123?
- Low severity. CVSS v3 base score is 3.5 out of 10.