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CVE-2026-12583

HIGH 8.1 CVSS 3.1
Published
July 14, 2026
Last modified
July 14, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-502
CVSS vector
CVSS: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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Newsletters — Before 4.15

References

  • wpscan.com https://wpscan.com/vulnerability/e4c44105-f43d-4dff-8487-7d8ae2691c4e/
  • nvd.nist.gov Official NVD record