CVE-2026-80071

User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator

Published Sep 13, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 13, 2026, 10:45 AM
Reserved
Aug 25, 2026, 6:22 PM
Status
Deferred
Published
Sep 13, 2026, 6:16 AM
Modified
Sep 14, 2026, 9:10 PM