Vulnerability Description
The Sentence To SEO (keywords, description and tags) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the create_admin_page() function. This makes it possible for unauthenticated attackers to inject malicious web scripts and update plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L5
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L7
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L8
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L8
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L50
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L75
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L81
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L87
- https://www.wordfence.com/threat-intel/vulnerabilities/id/add32c06-90d0-466f-b17
FAQ
What is CVE-2026-6391?
CVE-2026-6391 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The Sentence To SEO (keywords, description and tags) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect non...
How severe is CVE-2026-6391?
CVE-2026-6391 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6391?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.