CVE-2026-75800CWE-287

CVE-2026-75800

Critical · published September 12, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
49.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00625 · 49.3th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-12T10:16Z
References (1)
https://wpscan.com/vulnerability/be658aa5-8f7f-4938-bf13-b2e6ed3dcf89/ · [email protected]
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 12 SEP 06:00Z
    Frontegg SAML SSO <= 1.0.1 - Unauthenticated Account Takeover via Unverified SAMLResponse
    cvelistv5