CVE-2022-4939

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

EPSS 11.42% Top 10%

Third-Party Advisory wordfence.com

Affected: wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace

References

Link	Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/0870de2d-bca5-4d57-a07f-877a416ce0d5?source=cve	third party advisory patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2633191%40wc-multivendor-membership&new=2633191%40wc-multivendor-membership&sfp_email=&sfph_mail=	patch

Frequently Asked Questions

What is the severity of CVE-2022-4939?: CVE-2022-4939 has been scored as a critical severity vulnerability.
How to fix CVE-2022-4939?: To fix CVE-2022-4939, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-4939 being actively exploited in the wild?: It is possible that CVE-2022-4939 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~11% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4939?: CVE-2022-4939 affects wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace.

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