# CVE-2026-39743: WC Lovers WCFM Membership broken access control

Source: https://junglewise.ai/threats/cve-2026-39743-missing-authorization-vulnerability-in-wc-lovers-wcfm-membership  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-03. Updated: 2026-11-03  
License: CC BY 4.0 with a link back

CVE-2026-39743 · Severity: medium · CVSS 5.3 · Published 2026-11-03

WCFM Membership is a WordPress plugin for managing multi-vendor marketplace memberships. A broken access control flaw allows unauthenticated users to view pages or perform actions they should not have permission to access, potentially exposing sensitive membership data.

Technologies: [WC Lovers WCFM Membership](https://junglewise.ai/threats/technologies/wcfm-membership). Vendors: [WC Lovers](https://junglewise.ai/threats/vendors/wc-lovers).

## Quick answers

**Is CVE-2026-39743 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39743 being exploited in the wild.

**How severe is CVE-2026-39743?** Medium severity, with a CVSS score of 5.3, published 3 November 2026.

**Which products and versions are affected?** WC Lovers WCFM Membership through 2.12.0.

**Is there a fix for CVE-2026-39743?** Yes: fixed in 2.12.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-39743 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-39743?** Check whether you run WC Lovers WCFM Membership at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2.12.1

## Technical details

The plugin fails to properly enforce authorization checks, allowing unauthenticated attackers to bypass access controls via the network. This is a broken access control vulnerability affecting administrative or restricted functionality, with no authentication required to exploit it.

## Affected products

- WC Lovers WCFM Membership through 2.12.0

## Timeline

- 2026-11-03: disclosed
- 2026-11-03: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/wc-multivendor-membership/vulnerability/wordpress-wcfm-membership-plugin-2-12-0-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/wc-multivendor-membership/vulnerability/wordpress-wcfm-membership-plugin-2-12-0-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [WC Lovers WCFM Membership broken access control](https://junglewise.ai/threats/cve-2026-61990-missing-authorization-vulnerability-in-wc-lovers-wcfm-membership)
- [WC Lovers WCFM Membership stored cross-site scripting](https://junglewise.ai/threats/cve-2026-39744-improper-neutralization-of-input-during-web-page-generation-cross)
- [WC Lovers WCFM Membership broken access control](https://junglewise.ai/threats/cve-2026-39777-missing-authorization-vulnerability-in-wc-lovers-wcfm-membership)
- [WC Lovers WCFM Membership broken access control vulnerability](https://junglewise.ai/threats/cve-2026-32480-wc-lovers-wcfm-membership-broken-access-control-vulnerability)
- [WCFM Membership privilege escalation](https://junglewise.ai/threats/cve-2026-84756-wcfm-membership-privilege-escalation)