CVE-2023-1549: Ad Inserter Project Ad Inserter

High severity, CVSS 7.2. EPSS: 16.9% chance of exploitation in the next 30 days.

The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present

Affected products

• Ad Inserter Project Ad Inserter: before 2.7.27 (fixed in 2.7.27)

Published 2023-05-15. Last modified 2026-06-17.