Read the docs
TI-2026-85725 Aliases CVE-2026-12967GHSA-9rfw-33wj-5wc4

Payment verification bypass in WCFM Membership lets subscribers become vendors

Priority LOW 28CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.

Summary

The WCFM Membership WordPress plugin before 2.12.1 does not verify that payment was made before completing a paid membership. Any authenticated Subscriber or Customer can activate a paid vendor membership for free and gain the marketplace vendor role. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

The WCFM Membership WordPress plugin before 2.12.1 does not verify that payment was made before completing a paid membership, allowing any authenticated Subscriber/Customer to activate a paid vendor membership for free and gain the marketplace vendor role.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WCFM Membership (Unknown): 2.12.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWCFM Membershipbefore 2.12.12.12.1Patch availableCNA
  • WCFM Membership VendorUnknown Affected before 2.12.1 Fixed in 2.12.1 Patch available CNA

Remediation

Update WCFM Membership to version 2.12.1 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA WCFM Membership (Unknown) Fixed in 2.12.1

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-12967
  2. 2026-11-06 Alias added: GHSA-9rfw-33wj-5wc4
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 Weakness changed · CISA ADP
  5. 2026-11-06 CISA SSVC decision points changed

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences