CVE-2022-4939
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWclovers Wcfm Membership
PublishedApr 5, 2023
First seenApr 5, 2023
Weakness typeCWE-862Missing authorization
How to fix
Update
- wclovers wcfm_membership2.10.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wclovers wcfm_membership | v < 2.10.1 | 2.10.1 |
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