CVE-2025-2594: high-severity vulnerability in User Registration & Membership
User Registration & Membership < 4.1.3 - Authentication Bypass
Published · Updated
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 9.5%
from disclosure to weaponsame day
Published on NVDApr 22
1st PoCApr 2
The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · User Registration & Membershippublic PoCs found — 3
exploitdbwww.exploit-db.com/exploits/52302unverifiedgithubgithub.com/ubaydev/CVE-2025-2594★ 0cve_referencewpscan.com/vulnerability/1c1be47a-d5c0-4ac1-b9fd-475b382a7d8f/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-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%