---
id: CVE-2026-75800
title: >-
  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
  administrato…
summary: >-
  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
  administrato…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-287
product: Frontegg SAML SSO
affected:
  - frontegg_saml_sso <= 1.0.1
published: '2026-09-12'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T21:10:17.423'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75800'
references:
  - url: 'https://wpscan.com/vulnerability/be658aa5-8f7f-4938-bf13-b2e6ed3dcf89/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00625
epssPercentile: 0.47689
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-12T15:27:14.882259Z'
ingestedAt: '2026-09-14T15:23:07.478Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.