WordPress security changelog
HIGH CVE-2024-4870 Deferred

Frontend Registration – Contact Form 7: Privilege escalation or authentication bypass

Frontend Registration – Contact Form 7 is affected by privilege escalation or authentication bypass. Exploitation requires at least editor-level access. A successful request can grant permissions or access that the caller should not possess.

CVE / CNA score 7.2 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Frontend Registration – Contact Form 7
Plugin slug
frontend-registration-contact-form-7
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jun 04, 2024
Weakness
CWE-266 — Incorrect Privilege Assignment

This CVE was published Jun 04, 2024 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Frontend Registration – Contact Form 7 to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

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 Frontend Registration – Contact Form 7 plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.1 due to insufficient restriction on the '_cf7frr_' post meta. This makes it possible for authenticated attackers, with editor-level access and above, to modify the default user role in the registration form settings.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources