EUVD-2026-76952
GHSA-7cc7-ppv7-mjwp
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Author is a low-privilege WordPress role (PR:L), not high; full admin takeover justifies C:H/I:H/A:H with no scope change on single-site installs.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
7DescriptionCVE.org
The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.
AnalysisAI
Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.8 allows any authenticated user holding an Author-level role or above to assign themselves an arbitrary WordPress role, including Administrator, resulting in full site takeover. The plugin fails to enforce server-side authorization checks when creating membership plans and when users attach plans to their own accounts, permitting role manipulation that bypasses WordPress's native access-control hierarchy. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress account with at least Author-level role on the target site; Subscriber and Contributor roles are not stated as sufficient based on the description. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H scores 7.2 by assigning PR:H. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade the User Registration & Membership plugin to version 5.2.8 or later, which introduces proper server-side checks on membership plan authorship and role assignment. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress installations and identify those running User Registration & Membership plugin versions prior to 5.2.8. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in User Registration Membership
View allThe User Registration & Membership WordPress plugin before version 4.1.2 fails to prevent users from setting their accou
The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when
Payment-verification bypass in the User Registration & Membership WordPress plugin before 5.2.2 lets unauthenticated att
Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.3 lets unauthenticated visitors s
Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.2 lets any authenticated low-priv
Privilege escalation in the User Registration & Membership WordPress plugin (versions 4.4.6 through pre-5.2.8) allows an
Registration enforcement bypass in the User Registration & Membership WordPress plugin (all versions before 5.2.6) allow
Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.6 lets authenticated users holdin
Unauthenticated account deletion in the User Registration & Membership WordPress plugin (all versions before 5.2.3) expo
Open redirect in the User Registration & Membership WordPress plugin before 5.2.8 permits unauthenticated attackers to c
Missing object-level authorization in the User Registration & Membership WordPress plugin (before 5.2.5) allows any auth
Unauthenticated information disclosure in the User Registration & Membership WordPress plugin (versions 5.0 through 5.2.
Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
Leaving vuln.today