CVE-2026-40757 PUBLISHED

WordPress Château theme <= 1.2.1 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 15.04.2026 Published: 17.06.2026 Updated: 17.06.2026

Unauthenticated PHP Object Injection in Château <= 1.2.1 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Product Status

Vendor Mikado-Themes
Product Château
Versions Default: unaffected
  • affected from n/a to 1.2.1 (incl.)

Solutions

Update the WordPress Château Theme to the latest available version (at least 1.3).

Credits

  • Denver Jackson | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection