Unauthorized Data Modification in WordPress User Frontend Plugin
CVE-2026-4058

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
User Frontend: Ai Powered Frontend Posting, User Directory, Profile, Membership & User Registration
Vendor
CVE Published:
9 June 2026

What is CVE-2026-4058?

The User Frontend plugin for WordPress enables users to post content, manage profiles, and handle memberships. However, versions up to and including 4.3.2 face a significant flaw that allows authenticated users with a Subscriber role or higher to cancel any user's subscription. This vulnerability stems from a missing capability check in the user_subscription_cancel() function, raising serious concerns about user data integrity and access control.

Affected Version(s)

User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration 0 <= 4.3.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3528244/

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Supakiad S.
.