Vulnerability · Published Apr 10, 2025 · Assigned by WPScan

CVE-2024-13896WP-GeSHi-Highlight <= 1.4.3 - Author+ ReDoS

Medium 6.5

In plain English

A medium-severity security flaw in WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 58.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

The WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages WordPress plugin through 1.4.3 processes user-supplied input as a regular expression via the wp_geshi_filter_replace_code() function, which could lead to Regular Expression Denial of Service (ReDoS) issue

Affected products (as reported)

Vendor	Product	Versions
Unknown	WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages	0 – through 1.4.3

References

https://wpscan.com/vulnerability/b8b622ea-e090-45ad-8755-b050fc055231/ exploit, vdb-entry, technical-description