Detections
Analytics
CVE-2026-12583
critical
Description
The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.
References
https://wpscan.com/vulnerability/e4c44105-f43d-4dff-8487-7d8ae2691c4e/