CVE-2026-28008 PUBLISHED

WordPress OAuth Single Sign On – SSO (OAuth Client) plugin <= 7.0.0 - Broken Authentication vulnerability

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

Unauthenticated Broken Authentication in OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0 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 miniOrange
Product OAuth Single Sign On – SSO (OAuth Client)
Versions Default: unaffected
  • affected from n/a to 7.0.0 (incl.)

Solutions

Update the WordPress OAuth Single Sign On – SSO (OAuth Client) plugin to the latest available version (at least 7.0.1).

Credits

  • tomcat102 | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-290 Authentication Bypass by Spoofing CWE

Impacts

  • CAPEC-151 Identity Spoofing