WP-GeSHi-Highlight Plugin up to 1.4.3 on WordPress Regular Expression wp_geshi_filter_replace_code redos

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in WP-GeSHi-Highlight Plugin up to 1.4.3 on WordPress. It has been declared as problematic. This impacts the function wp_geshi_filter_replace_code of the component Regular Expression Handler. Executing a manipulation can lead to redos. The identification of this vulnerability is CVE-2024-13896. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in WP-GeSHi-Highlight Plugin up to 1.4.3 on WordPress. It has been declared as problematic. This vulnerability affects the function wp_geshi_filter_replace_code of the component Regular Expression Handler. The manipulation with an unknown input leads to a redos vulnerability. The CWE definition for the vulnerability is CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. As an impact it is known to affect availability. CVE summarizes:

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

The weakness was shared by Pierre Rudloff. The advisory is shared for download at wpscan.com. This vulnerability was named CVE-2024-13896 since 02/20/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1449.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/2025 🔍
04/10/2025 +48 days 🔍
04/10/2025 +0 days 🔍
04/10/2025 +0 days 🔍

Sourcesinfo

Advisory: wpscan.com
Researcher: Pierre Rudloff
Status: Not defined

CVE: CVE-2024-13896 (🔍)
GCVE (CVE): GCVE-0-2024-13896
GCVE (VulDB): GCVE-100-304324

Entryinfo

Created: 04/10/2025 10:35
Changes: 04/10/2025 10:35 (56)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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