PT-2025-37151 · Shawfactor · Lh Signing

Nabil Irawan · Published 2025-09-11 · Updated 2025-09-11 · CVE-2025-9633

NVD

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2025-9633

Affected Products

Lh Signing

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-9633 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/fadd7934-bdd9-47e9-bd34-d162ff3b7cd4?source=cve · Note
• https://plugins.trac.wordpress.org/browser/lh-signing/trunk/lh-signing.php#L1870 · Note
• https://plugins.trac.wordpress.org/browser/lh-signing/trunk/lh-signing.php#L1886 · Note
• https://plugins.trac.wordpress.org/browser/lh-signing/trunk/partials/option-settings.php#L3 · Note