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WP User Manager plugin creates accounts without completing payment

Priority LOW 29CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

The WP User Manager WordPress plugin from 2.9 before 2.9.20 is affected. It does not roll back the WordPress account it creates during payment-gated registration when the later payment step fails. This improper access control flaw (CWE-284) lets an unauthenticated remote attacker create functional accounts without completing payment. An exploit link is listed in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The WP User Manager WordPress plugin before 2.9.20 does not roll back the WordPress account it creates during payment-gated registration when the subsequent payment step fails, allowing unauthenticated users to create functional accounts without completing payment.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WP User Manager (Unknown): 2.9.20

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
UnknownWP User Manager2.9 to before 2.9.202.9.20Patch availableCNA
  • WP User Manager VendorUnknown Affected 2.9 to before 2.9.20 Fixed in 2.9.20 Patch available CNA

Remediation

Update WP User Manager to version 2.9.20, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA WP User Manager (Unknown) Fixed in 2.9.20

Timeline

  1. 2026-10-18 Threatist record created from CVE-2026-110527
  2. 2026-10-18 Alias added: GHSA-v7wr-g973-rw99

References

Sources