CVE-2026-28149 PUBLISHED

WordPress Headless Single Sign On plugin <= 1.6 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 25.02.2026 Published: 13.08.2026 Updated: 13.08.2026

Unauthenticated PHP Object Injection in Headless Single Sign On <= 1.6 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 miniOrange
Product Headless Single Sign On
Versions Default: unaffected
  • affected from n/a to 1.6 (incl.)

Solutions

Update the WordPress Headless Single Sign On plugin to the latest available version (at least 1.6.1).

Credits

  • Asim Alshaya | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection