Vulnerability · Published Aug 6, 2026 · Assigned by WPScan
CVE-2026-14812Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)
Critical 10.0
In plain English
A critical-severity security flaw in Premium SEO from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Premium SEO | 0 – through * |
Weakness: CWE-912 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601/ exploit, vdb-entry, technical-description