VULNERABILITY INTELLIGENCE

CVE-2026-12583

CVSS score8.1 HIGH
EPSS probability0.55%
CISA KEVNot currently listed
Published2026-07-14
Last modified2026-07-14
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-502

Primary references