Vulnerabilities CVE-2026-14812

CVE-2026-14812

Critical

Open

TLP:CLEAR

Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)

NVD CVE.org

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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.

Details

CVSS Score: 10.0
EPSS Score ⓘ: 0.57%

44.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Confidence: 90%
Published: Aug 6, 2026
Last Modified: Aug 7, 2026

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