What’s Vulnerable › Vulnerabilities
CVE-2026-80071: User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-13 · updated 2026-09-14
- Weakness: CWE-269
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.
Affected products
- User Registration & Membership: before 5.2.8 — fixed in 5.2.8
How to fix
Upgrade to a fixed version: User Registration & Membership 5.2.8. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-80071 or the next vulnerability affects your stack