CVE-2026-66583 PUBLISHED

WordPress Forminator plugin <= 1.57.0 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 20.08.2026 Updated: 20.08.2026

Unauthenticated PHP Object Injection in Forminator <= 1.57.0 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor WPMU DEV
Product Forminator
Versions Default: unaffected
  • affected from n/a to 1.57.0 (incl.)

Solutions

Update the WordPress Forminator Plugin to the latest available version (at least 1.57.1).

Credits

  • Ahmed Hassan | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection