What is CVE-2026-15013?

CVE-2026-15013 is a critical-severity vulnerability in Cyberlord92 Saml Single Sign On – Sso Login, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-07-16.

How severe is CVE-2026-15013?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Cyberlord92 Saml Single Sign On – Sso Login

CVE-2026-15013

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass via SAML Signature Algorithm Confusion in all versions up to, and including, 5.4.3. The vulnerability exists because `Mo_SAML_Utilities::mo_sam…

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cyberlord92 Saml Single Sign On – Sso Login — versions 0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com

Frequently asked questions

What is CVE-2026-15013?: CVE-2026-15013 is a critical-severity vulnerability in Cyberlord92 Saml Single Sign On – Sso Login, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-07-16.
How severe is CVE-2026-15013?: Critical severity. CVSS v3 base score is 9.8 out of 10.