CVE-2023-4668: Ad Inserter Project Ad Inserter

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.30 via the ai-debug-processing-fe URL parameter. This can allow unauthenticated attackers to extract sensitive data including installed plugins (present and active), active theme, various plugin settings, WordPress version, as well as some server settings such as memory limit, installation paths.

Affected products

• Ad Inserter Project Ad Inserter: before 2.7.31 (fixed in 2.7.31)

Published 2023-10-20. Last modified 2026-06-17.