CVE-2026-8942

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.

• CWE-352

• 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/a08e4147-9a57-4936-9a18-02110c79a8bb?source=cve

Published

May 27, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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