CVE-2026-14812 Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)
Unauthenticated attackers can create hidden admin accounts and execute code via a malicious backdoor in the Premium SEO WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14812?
CVE-2026-14812 is a critical authentication bypass vulnerability in Unknown Premium SEO, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-912
Which versions are affected by CVE-2026-14812?
How do I fix CVE-2026-14812?
No fix has been published for CVE-2026-14812 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-14812 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14812 exists.
Sources
Also known as GHSA-r59p-4mh6-5r64.