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