CVE-2025-9633: Shawfactor Lh Signing

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Shawfactor Lh Signing: up to and including 2.83

Published 2025-09-11. Last modified 2026-09-30.