Vulnerability Description
The MetaMagic SEO Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6. This is due to missing or incorrect nonce validation on the metamagic_update_options function. This makes it possible for unauthenticated attackers to modify the plugin's SEO settings, including enabling or disabling the plugin and toggling description and keyword meta tag output 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/metamagic/trunk/metamagic.php#L143
- https://plugins.trac.wordpress.org/browser/metamagic/trunk/metamagic.php#L188
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a08e4147-9a57-4936-9a1
FAQ
What is CVE-2026-8942?
CVE-2026-8942 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The MetaMagic SEO Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6. This is due to missing or incorrect nonce validation on the metamag...
How severe is CVE-2026-8942?
CVE-2026-8942 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8942?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.