# CVE-2026-39777: WC Lovers WCFM Membership broken access control

Source: https://junglewise.ai/threats/cve-2026-39777-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-2026-39777 · Severity: medium · CVSS 4.3 · Published 2026-11-03

WCFM Membership is a WordPress plugin that manages multivendor marketplace membership levels and restrictions. A broken access control vulnerability allows authenticated users with low privileges to bypass authorization checks and access pages or perform actions they should not be permitted to perform, potentially exposing sensitive vendor or 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-2026-39777 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39777 being exploited in the wild.

**How severe is CVE-2026-39777?** Medium severity, with a CVSS score of 4.3, published 3 November 2026.

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

**Is there a fix for CVE-2026-39777?** 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-2026-39777 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-39777?** 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

This broken access control vulnerability (OWASP A1) in WCFM Membership allows subscribers or low-privilege users to access restricted pages and perform unauthorized actions by exploiting inadequate authorization validation. The vulnerability requires an authenticated attacker with subscriber-level access. Exploitation could lead to unauthorized data access or privilege escalation within the membership system.

## Affected products

- WC Lovers WCFM Membership through 2.12.0

## Timeline

- 2026-11-03: disclosed

## 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-2?_s_id=cve](https://patchstack.com/database/wordpress/plugin/wc-multivendor-membership/vulnerability/wordpress-wcfm-membership-plugin-2-12-0-broken-access-control-vulnerability-2?_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-2026-39743-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)