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PatchSiren cyber security CVE debrief

CVE-2026-4058 wedevs CVE debrief

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.

Vendor
wedevs
Product
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of the User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress, particularly those with Subscriber-level access and above.

Technical summary

The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. The weakness is classified as CWE-862.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin to a version that includes a capability check on the user_subscription_cancel() function.
  • Restrict access to the user_subscription_cancel() function to prevent unauthorized modification of data.

Evidence notes

The vulnerability was reported by [email protected] and can be found in the CVE record on CVE.org and the NVD detail page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-4058 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-4058

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-4058 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-4058

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.