HIGH 8.8 NVD

CVE-2026-19842

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

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.

References

https://wpscan.com/vulnerability/7b79d86e-d3f8-4d4f-929b-fd00540cc00f/

Published: 2026-08-19 · Source: NVD · Feed updated: 2026-08-20

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-08-19 via NVD.

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