CVE-2026-40758 PUBLISHED

WordPress Léonie theme <= 1.2.1 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 15.04.2026 Published: 16.06.2026 Updated: 17.06.2026

Unauthenticated PHP Object Injection in Léonie <= 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 Elated-Themes
Product Léonie
Versions Default: unaffected
  • affected from n/a to 1.2.1 (incl.)

Solutions

Update the WordPress Léonie 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