CVE-2024-13926 json
WP-Syntax <= 1.2 - Author+ Potential ReDoS
published 2025-04-19 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54438
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/b5f0092e-7cd5-412f-a8ea-7bd4a8bf86d2/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Unknown WP-Syntax
Classification
- Weakness
-
- CWE-1333 Inefficient Regular Expression Complexity
- Technology feeds
References
-
wpscan.com
/vulnerability/b5f0092e-7cd5-412f-a8ea-7bd4a8bf86d2/
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2024-13926
- NVD CVE-2024-13926
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.