CVE-2026-80071: high-severity vulnerability in User Registration & Membership
User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.2epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · User Registration & Membershippublic PoCs found — 1
cve_referencewpscan.com/vulnerability/a4fbdeea-0d3b-466b-b4b6-4c4db277cd1d/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — User Registration & Membership
In the same product, most dangerous first.
CVE-2025-2563HIGHUser Registration & Membership < 4.1.2- Unauthenticated Privilege EscalationEPSS 49.1%CVE-2025-2594HIGHUser Registration & Membership < 4.1.3 - Authentication BypassEPSS 9.5%CVE-2026-79996HIGHUser Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login SettingsEPSS 0.5%CVE-2026-11964CRITICALUser Registration & Membership < 5.2.2 - Unauthenticated PayPal Webhook Signature Verification Bypass Leading to Membership ActivationEPSS 0.5%CVE-2026-16736HIGHUser Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration DisabledEPSS 0.4%CVE-2026-11961HIGHUser Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership IDEPSS 0.4%