CVE-2026-4056 impacts versions 5.0.1 through 5.1.4 of the User Registration & Membership plugin for WordPress, allowing authenticated attackers with Contributor-level access or higher to modify site-wide content restriction rules. This vulnerability arises from a missing administrative capability check on Content Access Rules REST API endpoints, potentially exposing restricted content or denying legitimate user access. Rated as Medium severity (CVSS 5.4), it has a low attack complexity and requires only low privileges. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Wpeverest | User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder | >= 0, <= 5.1.4CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.