CVE-2025-3951: Updraftplus Wp-Optimize

Medium severity, CVSS 4.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The WP-Optimize WordPress plugin before 4.2.0 does not properly escape user input when checking image compression statuses, which could allow users with the administrator role to conduct SQL Injection attacks in the context of Multi-Site WordPress configurations.

Affected products

• Updraftplus Wp-Optimize: before 4.2.0 (fixed in 4.2.0)

Published 2025-06-02. Last modified 2026-06-17.