CVE-2022-3909: Add Comments Project Add Comments

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Add Comments WordPress plugin through 1.0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

• Add Comments Project Add Comments: up to and including 1.0.1

Published 2022-12-05. Last modified 2026-06-17.