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CVE-2026-19842

HIGH 8.8 CVSS 3.1
Published
August 19, 2026
Last modified
November 9, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-287
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The SAML Single Sign On WordPress plugin before 5.4.7 does not verify the signature of a SAML response before storing the certificate it carries, and offers an administrator a one-click control that promotes that stored certificate to the site's trusted signing certificate, allowing unauthenticated attackers to have a certificate of their own trusted and then authenticate as any user, including an administrator.

Affected WordPress components

  • SAML Single Sign On – SSO Login Plugin · miniorange-saml-20-single-sign-on
    Confirmed match Active
    From 4.8.85 (including) to 5.4.7 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown SAML Single Sign On — From 4.8.85 (including) to 5.4.7 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/7b79d86e-d3f8-4d4f-929b-fd00540cc00f/
  • nvd.nist.gov Official NVD record