CVE-2026-75800 — CRITICAL (9.8)

Vulnerability Description

The Frontegg SAML SSO WordPress plugin through 1.0.1 does not verify the signature or issuer of SAML authentication responses before establishing a session, allowing unauthenticated attackers to log in as any user, including administrators, as well as to create arbitrary accounts.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-287

References

https://wpscan.com/vulnerability/be658aa5-8f7f-4938-bf13-b2e6ed3dcf89/

FAQ

What is CVE-2026-75800?

CVE-2026-75800 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The Frontegg SAML SSO WordPress plugin through 1.0.1 does not verify the signature or issuer of SAML authentication responses before establishing a session, allowing unauthenticated attackers to log i...

How severe is CVE-2026-75800?

CVE-2026-75800 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-75800?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.