CVE-2025-2563highobserved exploitation

CVE-2025-2563: high-severity vulnerability in User Registration & Membership

User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation

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90Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 8.1epss 49%
from disclosure to weaponsame day
Published on NVDApr 14
1st PoCMar 29
metasploitMar 24
VulnCheckMar 25
The User Registration & Membership WordPress plugin before 4.1.2 does not prevent users to set their account role when the Membership Addon is enabled, leading to a privilege escalation issue and allowing unauthenticated users to gain admin privileges
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · User Registration & Membership
⚠ 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-2025-2594HIGHUser Registration & Membership < 4.1.3 - Authentication BypassEPSS 9.5%CVE-2026-80071HIGHUser Registration & Membership < 5.2.8 - Author+ Privilege Escalation to AdministratorEPSS 0.5%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%