User Frontend bypasses subscription checks when accepting post submissions
User Frontend before 4.3.11 enforces a subscription-purchase requirement while rendering a form but not while processing its submission. An unauthenticated visitor can submit directly and create posts; forms configured for immediate publication can publish the post without payment.
- Component
- User Frontend
- Plugin slug
user-frontend- Affected
- < 4.3.11
- Safe version
4.3.11- Published
- Sep 02, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Sep 02, 2026 and is one of 4 known issues for this plugin.
Update, patch or deactivate.
Update to 4.3.11 or later and review front-end post submissions and published content for unpaid or unauthorized entries.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N