CVE-2026-14812: CWE-912 Hidden Functionality in Premium SEO
The Premium SEO WordPress plugin contains a critical vulnerability that includes an unauthenticated backdoor creating a hidden administrator account. Some versions also allow remote code execution, server-side request forgery, and arbitrary front-end script or content injection. This vulnerability enables an unauthenticated attacker to gain full control over the affected site.
AI Analysis
Technical Summary
CVE-2026-14812 is a critical vulnerability in the Premium SEO WordPress plugin characterized by the presence of a malicious unauthenticated backdoor. This backdoor creates a hidden administrator account, and in certain builds, it also permits remote code execution, server-side request forgery, and arbitrary injection of scripts or content on the front end. These combined issues allow an unauthenticated attacker to fully compromise the affected WordPress site.
Potential Impact
An unauthenticated attacker can gain full administrative control over a site running the vulnerable Premium SEO plugin. This includes the ability to execute arbitrary code remotely, perform server-side request forgery attacks, and inject malicious scripts or content into the site's front end, severely compromising confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or remediation level has been provided at this time. Users should monitor for vendor updates and consider removing or disabling the Premium SEO plugin until a fix is available.
CVE-2026-14812: CWE-912 Hidden Functionality in Premium SEO
Description
The Premium SEO WordPress plugin contains a critical vulnerability that includes an unauthenticated backdoor creating a hidden administrator account. Some versions also allow remote code execution, server-side request forgery, and arbitrary front-end script or content injection. This vulnerability enables an unauthenticated attacker to gain full control over the affected site.
CVSS v3.1
Score 10.0critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-14812 is a critical vulnerability in the Premium SEO WordPress plugin characterized by the presence of a malicious unauthenticated backdoor. This backdoor creates a hidden administrator account, and in certain builds, it also permits remote code execution, server-side request forgery, and arbitrary injection of scripts or content on the front end. These combined issues allow an unauthenticated attacker to fully compromise the affected WordPress site.
Potential Impact
An unauthenticated attacker can gain full administrative control over a site running the vulnerable Premium SEO plugin. This includes the ability to execute arbitrary code remotely, perform server-side request forgery attacks, and inject malicious scripts or content into the site's front end, severely compromising confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or remediation level has been provided at this time. Users should monitor for vendor updates and consider removing or disabling the Premium SEO plugin until a fix is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-06T06:50:05.025Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7506f3bf8831d5395f540b
Added to database: 08/06/2026, 22:13:07 UTC
Last enriched: 08/06/2026, 23:56:17 UTC
Last updated: 08/07/2026, 02:22:32 UTC
Views: 4
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