SAML Single Sign On – SSO Login 4.8.85-5.4.6 - Unauthenticated Privilege Escalation

7.3
Improper Privilege Management
CVE CVE-2026-19842
CVSS 7.3 (High)
Publicly Published August 19, 2026
Last Updated August 24, 2026
Researcher Suhayb Ahmed

Description

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Privilege Escalation in all versions up to 4.8.85-5.4.6. This is due to insufficient restriction on the capabilities a user may grant themselves. This makes it possible for unauthenticated attackers to elevate their privileges beyond those intended for their role.

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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 5.4.7, or a newer patched version
Affected Version
  • 4.8.85 - 5.4.6
Patched Version
  • 5.4.7

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 <= 5.4.3 - Unauthenticated Privilege Escalation CVE-2026-61979 9.8 sequence_X0 August 13, 2026
3 SAML Single Sign On <= 5.4.4 - Unauthenticated Authentication Bypass via SAMLResponse Parameter CVE-2026-15981 9.8 Supakiad S. (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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