SAML Single Sign On – SSO Login <= 5.4.3 - Unauthenticated Privilege Escalation

9.8
Execution with Unnecessary Privileges
CVE CVE-2026-61979
CVSS 9.8 (Critical)
Publicly Published August 13, 2026
Last Updated August 20, 2026
Researcher sequence_X0

Description

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 5.4.3. This makes it possible for unauthenticated attackers to elevate their privileges to that of an administrator.

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Vulnerability Details for SAML Single Sign On – SSO Login

Software Type Plugin
Software Slug miniorange-saml-20-single-sign-on (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.4.4, or a newer patched version
Affected Version
  • <= 5.4.3
Patched Version
  • 5.4.4

Recent vulnerabilities in SAML Single Sign On – SSO Login

# Title CVE ID CVSS Researchers Date
1 SAML Single Sign On <= 5.4.6 - Unauthenticated Authentication Bypass via X.509 Certificate Poisoning CVE-2026-75807 7.5 Tanishq Shah, Thatchapol Booranatanit (AliceZz) August 29, 2026
2 SAML Single Sign On – SSO Login 4.8.85-5.4.6 - Unauthenticated Privilege Escalation CVE-2026-19842 7.3 Suhayb Ahmed August 19, 2026
3 SAML Single Sign On <= 5.4.4 - Unauthenticated Authentication Bypass via SAMLResponse Parameter CVE-2026-15981 9.8 Supakiad S. (m3ez) (m3ez) July 23, 2026
4 SAML Single Sign On <= 5.4.3 - Unauthenticated Authentication Bypass via 'SAMLResponse' Parameter Signature Algorithm Confusion CVE-2026-15013 9.8 lhking July 15, 2026
5 SAML Single Sign On – SAML SSO Login <= 4.9.20 - Reflected Cross-Site Scripting 6.1 June 6, 2022
6 SAML Single Sign On – SAML SSO Login <= 4.8.83 - Cross-Site Scripting CVE-2020-6850 6.1 Zeroauth January 28, 2020
7 SAML Single Sign On – SAML SSO Login < 4.8.73 - Cross-Site Scripting CVE-2019-12346 6.1 Zeroauth May 27, 2019
8 SAML Single Sign On – SAML SSO Login <= 4.8.75 - Cross-Site Request Forgery 8.8 May 20, 2019

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