CVE-2026-66681 Jeff Farthing CVE debrief

Who should care

Administrators and users of WordPress sites with Theme My Login plugin installed should be aware of this vulnerability and take necessary actions to mitigate it. This includes reviewing the plugin version, applying patches or updates provided by the vendor, and implementing compensating controls such as monitoring and exception tracking. Security teams and vulnerability management teams should also be aware of this vulnerability and prioritize remediation efforts based on the severity and potential impact on their organization.

Technical summary

CVE-2026-66681 is an unauthenticated Cross Site Request Forgery (CSRF) vulnerability in Theme My Login plugin version 7.1.14 and earlier. The vulnerability has a CVSS score of 4.3 and is classified as MEDIUM severity. This type of vulnerability could allow attackers to perform unintended actions on behalf of users without their knowledge or consent. Affected sites should prioritize patching or mitigating this vulnerability to prevent potential exploitation.

Defensive priority

Medium priority due to CSRF vulnerability in a widely used plugin.

Recommended defensive actions

• Inventory and verify the version of Theme My Login plugin
• Apply patches or updates provided by the vendor
• Implement compensating controls such as monitoring and exception tracking

Evidence notes

Evidence from Patchstack and NVD indicates a CSRF vulnerability in Theme My Login plugin version 7.1.14 and earlier. Limited details are available on affected products and versions. Defenders should verify the version of Theme My Login plugin installed and review official advisories for mitigation guidance. Additional information from vendor sources or security researchers may be necessary to fully understand the vulnerability's impact.

Official resources