Privilege Escalation Vulnerability in WCFM Membership Plugin for WordPress
CVE-2022-4939

9.8CRITICAL

Key Information:

Vendor
Wordpress
Status
Wcfm Membership – WooCommerce Memberships For Multivendor Marketplace
Vendor
CVE Published:
5 April 2023

Badges

👾 Exploit Exists

Summary

The WCFM Membership plugin for WordPress has a privilege escalation vulnerability that allows unauthenticated attackers to manipulate membership settings. This is due to a lack of capability checks in the wp_ajax_nopriv_wcfm_ajax_controller AJAX action. Exploitation of this issue enables attackers to change the role of anyone registering, including the ability to assign themselves administrator privileges, significantly compromising the security of the affected WordPress site.

Affected Version(s)

WCFM Membership – WooCommerce Memberships for Multivendor Marketplace * <= 2.10.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chloe Chamberland
.