Auth bypass in Wclovers Wcfm Membership
CVE-2022-4940
The WCFM Membership plugin for WordPress is vulnerable to unauthorized modification and access of data in versions up to, and including, 2.10.0 due to missing capability checks on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of actions such as modifying membership details, changing renewal information, controlling membership approvals, and more.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.011 (63.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/9c6577a2-6722-4d3b-958d-1143d… (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Patch)
- plugins.trac.wordpress.org/changeset (Patch)
- plugins.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2022-4940?
- CVE-2022-4940 is a high-severity vulnerability in Wclovers Wcfm Membership, classified under Missing Authorization. CVSS score: 7.3/10. Published 2023-04-05.
- How severe is CVE-2022-4940?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2022-4940 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.