CVE-2024-13896

WP-GeSHi-Highlight <= 1.4.3 - Author+ ReDoS

MEDIUM
6.5
CVSS Score
Published: April 10, 2025 at 06:00 AM UTC
Updated: June 17, 2026 at 07:02 AM UTC
1 product affected across 1 vendorWp Geshi Highlight

Using WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages by Unknown?

Get instant alerts when new vulnerabilities affect WP-GeSHi-Highlight — rock-solid syntax highlighting for 259 languages - before attackers find them.

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.4.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
https://wpscan.com/vulnerability/b8b622ea-e090-45ad-8755-b050fc055231/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1333

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