CVE-2025-2123: GeSHi XSS possible in the get_var function of /contrib/cssgen.php

CVE-2025-2123 · Severity: low · CVSS 3.1 · Published 2025-03-09

GeSHi XSS possible in the get_var function of /contrib/cssgen.php

Technologies: geshi/geshi (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2025-2123 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-2123 being exploited in the wild.
How severe is CVE-2025-2123?
Low severity, with a CVSS score of 3.1, published 9 March 2025.
Which products and versions are affected?
geshi/geshi (Packagist) ECOSYSTEM:introduced=0,last_affected=1.0.9.1.
Is there a fix for CVE-2025-2123?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-2123?
Check whether you run geshi/geshi (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • geshi/geshi (Packagist) ECOSYSTEM:introduced=0,last_affected=1.0.9.1

Identifiers

  • CVE-2025-2123
  • GHSA-pr6q-g5gv-qgr7

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