CVE-2022-4496: Miniorange SAML SP Single Sign On

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

The SAML SSO Standard WordPress plugin version 16.0.0 before 16.0.8, SAML SSO Premium WordPress plugin version 12.0.0 before 12.1.0 and SAML SSO Premium Multisite WordPress plugin version 20.0.0 before 20.0.7 does not validate that the redirect parameter to its SSO login endpoint points to an internal site URL, making it vulnerable to an Open Redirect issue when the user is already logged in.

Affected products

  • Miniorange SAML SP Single Sign On: from 12.0.0, before 12.1.0 (fixed in 12.1.0); from 16.0.0, before 16.0.8 (fixed in 16.0.8); from 20.0.0, before 20.0.7 (fixed in 20.0.7)

Published 2023-01-30. Last modified 2026-06-17.