CVE-2021-24921: Sigmaplugin Advanced Database Cleaner

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

The Advanced Database Cleaner WordPress plugin before 3.0.4 does not sanitise and escape $_GET keys and values before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

Affected products

• Sigmaplugin Advanced Database Cleaner: before 3.0.4 (fixed in 3.0.4)

Published 2022-02-21. Last modified 2026-06-17.