CVE-2024-13896 | BDVDB-2026-274398 Detail

WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages

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

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-1333 Inefficient Regular Expression Complexity

References#

https://wpscan.com/vulnerability/b8b622ea-e090-45ad-8755-b050fc055231/

Exploit#

https://wpscan.com/vulnerability/b8b622ea-e090-45ad-8755-b050fc055231/

History#

Version 12025-04-10Record published in the CVE List.
Version 22025-08-27Most recent update recorded in the CVE List.

Published

Published: 2025-04-10
Last modified: 2025-08-27

Vendor information

Vendor: Not stated
Product: WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 41.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.4.3
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).