CVE-2025-9633 json
LH Signing <= 2.83 - Cross-Site Request Forgery
published 2025-09-11 13 mo ago modified 2026-09-30 39 d ago also EUVD-2025-27634
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
The LH Signing plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.83. This is due to missing or incorrect nonce validation on the plugin_options function. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
Affected products
- shawfactor LH Signing
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/fadd7934-bdd9-47e9-bd34-d162ff3b7cd4?source=cve
- plugins.trac.wordpress.org /browser/lh-signing/trunk/lh-signing.php#L1886
- plugins.trac.wordpress.org /browser/lh-signing/trunk/partials/option-settings.php#L3
- plugins.trac.wordpress.org /browser/lh-signing/trunk/lh-signing.php#L1870
Sources
- CVE List CVE-2025-9633
- NVD CVE-2025-9633
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.