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TI-2025-02262 Aliases CVE-2025-2594GHSA-hmpr-r93w-5j44

User Registration & Membership < 4.1.3 - Authentication Bypass

Priority HIGH 70Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.09524 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed User Registration & Membership (Unknown): 4.1.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownUser Registration & Membershipbefore 4.1.34.1.3Patch availableCNA
  • User Registration & Membership VendorUnknown Affected before 4.1.3 Fixed in 4.1.3 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:*before 4.1.3Vulnerablewpeverest
cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:pro:wordpress:*:*before 5.1.3Vulnerablewpeverest
  • cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:* Versions before 4.1.3 Vulnerable ·wpeverest
  • cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:pro:wordpress:*:* Versions before 5.1.3 Vulnerable ·wpeverest

Remediation

  • Fix · CNA User Registration & Membership (Unknown) Fixed in 4.1.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-2594
  2. 2026-10-03 Alias added: GHSA-hmpr-r93w-5j44

References

  • TI-2025-02232 User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation CVSS 3.1HIGH 8.1
  • TI-2023-12191 WordPress User Registration plugin <= 2.3.2.1 - Authenticated PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-26142 WordPress User Registration plugin < 4.2.0 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2025-02874 Authorization bypass in wpeverest User Registration & Membership – Free & Paid… CVSS 3.1MEDIUM 5.3
  • TI-2024-01599 Cross-site scripting in wpeverest User Registration & Membership – Free & Paid… CVSS 3.1MEDIUM 6.1
  • TI-2025-22169 WordPress User Registration plugin <= 4.0.3 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 5.9
See all 7 →

Sources