CVE-2026-17563 PUBLISHED

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

Assigner: WPScan
Reserved: 27.07.2026 Published: 02.09.2026 Updated: 02.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	User Frontend
Versions	Default: unaffected affected from 0 to 4.3.11 (excl.)

Credits

Charles Vosburgh finder
WPScan coordinator

References

https://wpscan.com/vulnerability/293b7391-ac1a-4ec5-95d1-4578391906b2/

Problem Types

CWE-862 Missing Authorization CWE