CVE-2023-4643: Shortpixel Enable Media Replace

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

The Enable Media Replace WordPress plugin before 4.1.3 unserializes user input via the Remove Background feature, which could allow Author+ users to perform PHP Object Injection when a suitable gadget is present on the blog

Affected products

• Shortpixel Enable Media Replace: before 4.1.3 (fixed in 4.1.3)

Published 2023-10-16. Last modified 2026-06-17.