SAML Authentication Flaw in Frontegg WordPress Plugin Allows Unauthorized Access
CVE-2026-75800

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
12 September 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-75800?

The Frontegg SAML SSO plugin for WordPress, up to version 1.0.1, contains a significant vulnerability that fails to properly validate the signature and issuer of SAML authentication responses. This oversight permits malicious actors to gain unauthorized access to user accounts, including those with administrative privileges. Furthermore, attackers can exploit this vulnerability to create arbitrary accounts on the platform, posing a serious security risk.

Affected Version(s)

Frontegg SAML SSO 0 <= 1.0.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

moonge
WPScan
.