Vulnerability · Published Apr 5, 2023 · Assigned by Wordfence
CVE-2022-4939WCFM Membership <= 2.10.0 - Unauthenticated Privilege Escalation
Critical 9.8
In plain English
A critical-severity missing authorization in WCFM Membership – WooCommerce Memberships for Multivendor Marketplace from wclovers. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wclovers | WCFM Membership – WooCommerce Memberships for Multivendor Marketplace | 0 – through 2.10.0 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H