Vulnerability in Premium Seo

CVE-2026-14812

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (57.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-14812: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

  • Premium Seo — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14812?
CVE-2026-14812 is a critical-severity vulnerability in Premium Seo, classified under Hidden Functionality. CVSS score: 10.0/10. Published 2026-08-06.
How severe is CVE-2026-14812?
Critical severity. CVSS v3 base score is 10.0 out of 10.