cvedb.io
CVE-2022-4939
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2023-04-05T19:15:07.453 · Last modified 2026-06-17T05:22:21.407

Summary

THe WCFM Membership plugin for WordPress is vulnerable to privilege escalation in versions up to, and including 2.10.0, due to a missing capability check on the wp_ajax_nopriv_wcfm_ajax_controller AJAX action that controls membership settings. This makes it possible for unauthenticated attackers to modify the membership registration form in a way that allows them to set the role for registration to that of any user including administrators. Once configured, the attacker can then register as an administrator.

Affected products

wclovers — wcfm_membership

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.