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TI-2026-14402 Aliases CVE-2026-17563GHSA-rgv4-fwhv-pq9x

WP User Frontend < 4.3.11 - Unauthenticated Post Creation via Subscription-Gated Form

Priority LOW 30CWE-862Published · 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 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The User Frontend WordPress plugin before 4.3.11 does not enforce its subscription-purchase requirement when processing frontend post submissions, only when rendering the form, allowing unauthenticated users to create and, depending on the form's configuration, immediately publish posts through forms restricted to paying subscribers.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed User Frontend (Unknown): 4.3.11

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
UnknownUser Frontendbefore 4.3.114.3.11Patch availableCNA
  • User Frontend VendorUnknown Affected before 4.3.11 Fixed in 4.3.11 Patch available CNA

Remediation

  • Fix · CNA User Frontend (Unknown) Fixed in 4.3.11

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    User Frontend 4.3.11

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-15615 WP User Frontend < 4.3.11 - Subscriber+ PHP Object Injection via Frontend Post Edit FormPriority MEDIUM 41
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-17563
  2. 2026-10-03 Alias added: GHSA-rgv4-fwhv-pq9x

References

Exploit 1

Sources

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