CVE-2024-13926

HIGH

WP-Syntax < 1.2 - Denial of Service via Catastrophic Backtracking in Tag Processing

Title source: llm
STIX 2.1

Description

The WP-Syntax WordPress plugin through 1.2 does not properly handle input, allowing an attacker to create a post containing a large number of tags, thereby exploiting a catastrophic backtracking issue in the regular expression processing to cause a DoS.

References (1)

Core 1
Core References
Exploit, Third Party Advisory exploit vdb-entry technical-description
https://wpscan.com/vulnerability/b5f0092e-7cd5-412f-a8ea-7bd4a8bf86d2/

Scores

CVSS v3 7.5
EPSS 0.0040
EPSS Percentile 31.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-1333
Status published
Products (1)
connections-pro/wp-syntax < 1.2
Published Apr 19, 2025
Tracked Since Feb 18, 2026