CVE-2026-12583

CVE-2026-12583CVE-2026-12583

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.

Scoring

CVSS 8.1 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Last modified2026-07-14
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.