ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2024-13926

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 catastrophi

Published Apr 19, 2025 · catalog updated Aug 27, 2025 · Unknown WP-Syntax

Check this week

CVE-2024-13926 is not in CISA KEV. FIRST estimates a 49.00% chance of exploitation in the next 30 days. Check whether you run Unknown WP-Syntax.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
49.00%
Remediation
Vendor / distro source
Affected products
vendor Unknown WP-Syntax 0 ≤1.2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Unknown WP-Syntax 0 ≤1.20 ≤1.2

How to fix CVE-2024-13926

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-13926 is not in CISA KEV. FIRST estimates a 49.00% chance of exploitation in the next 30 days. Check whether you run Unknown WP-Syntax.

Which versions are affected?

Compare what you have installed with Unknown WP-Syntax 0 ≤1.2 0 ≤1.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 49.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 19, 2025 · EUVD

    Detected

    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.

  2. Aug 27, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2024-13926

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2024-54438

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.