CVE-2025-9632: Vinzzb Phplist Subber

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

The PhpList Subber plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing or incorrect nonce validation on the bulk_action_handler function. This makes it possible for unauthenticated attackers to trigger bulk synchronization of subscription forms via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• Vinzzb Phplist Subber: up to and including 1.1

Published 2025-09-11. Last modified 2026-06-17.