DoS Vulnerability in WP-Syntax WordPress Plugin Affects Multiple Users
CVE-2024-13926

7.5HIGH

Key Information:

Vendor

WordPress
Status
WP-syntax
Vendor
CVE Published:
19 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-13926?

The WP-Syntax WordPress plugin, up to version 1.2, fails to properly validate user input, allowing attackers to exploit a catastrophic backtracking flaw in the regular expression handling. By submitting posts laden with an excessive number of tags, an attacker can trigger this vulnerability, leading to a denial of service situation that disrupts the site's functionality. Such a flaw exposes sites to potential downtime and affects user experience.

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Affected Version(s)

WP-Syntax 0 <= 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-13926 - Proof of Concept

References

https://wpscan.com/vulnerability/b5f0092e-7cd5-412f-a8ea-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Rudloff
WPScan
JSON
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