CVE-2026-14812 — CRITICAL (10.0)

Vulnerability Description

The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-912

References

https://wpscan.com/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601/

FAQ

What is CVE-2026-14812?

CVE-2026-14812 is a vulnerability with a CVSS score of 10.0 (CRITICAL). The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side req...

How severe is CVE-2026-14812?

CVE-2026-14812 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-14812?

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