How severe is CVE-2024-13926?

CVE-2024-13926 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-13926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-13926?

CVE-2024-13926 affects Connections-pro Wp-syntax. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-13926?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-13926 have an EU (EUVD) identifier?

Yes. CVE-2024-13926 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54438.

When was CVE-2024-13926 published?

CVE-2024-13926 was published on 2025-04-19 and last updated on 2026-06-17.

CVE-2024-13926

CVE-2024-13926 is a high-severity vulnerability in Connections-pro Wp-syntax with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54438
Weakness: CWE-1333
Affected product: Connections-pro Wp-syntax
Published: 2025-04-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 catastrophic backtracking issue in the regular expression processing to cause a DoS.
How severe is CVE-2024-13926?: CVE-2024-13926 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-13926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-13926?: CVE-2024-13926 affects Connections-pro Wp-syntax. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-13926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-13926 have an EU (EUVD) identifier?: Yes. CVE-2024-13926 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54438.
When was CVE-2024-13926 published?: CVE-2024-13926 was published on 2025-04-19 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/b5f0092e-7cd5-412f-a8ea-7bd4a8bf86d2/

Affected products (1)

cpe:2.3:a:connections-pro:wp-syntax:*:*:*:*:*:wordpress:*:*

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