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TI-2022-03588 Aliases CVE-2022-3912GHSA-r7xp-c243-63mm

User Registration < 2.2.4.1 - Subscriber+ Arbitrary File Upload

Priority HIGH 66CWE-434Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

The User Registration WordPress plugin before 2.2.4.1 does not properly restrict the files to be uploaded via an AJAX action available to both unauthenticated and authenticated users, which could allow unauthenticated users to upload PHP files for example.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0078 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed User Registration (Unknown): 2.2.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

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 Registrationbefore 2.2.4.12.2.4.1Patch availableCNA
  • User Registration VendorUnknown Affected before 2.2.4.1 Fixed in 2.2.4.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpeverest:user_registration:*:*:*:*:*:wordpress:*:*before 2.2.4.1Vulnerablewpeverest
  • cpe:2.3:a:wpeverest:user_registration:*:*:*:*:*:wordpress:*:* Versions before 2.2.4.1 Vulnerable ·wpeverest

Remediation

  • Fix · CNA User Registration (Unknown) Fixed in 2.2.4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-3912
  2. 2026-10-03 Alias added: GHSA-r7xp-c243-63mm

References

Exploit 1

  • TI-2023-04806 User Registration < 3.0.4.2 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2023-03127 User Registration <= 3.0.2 - Authenticated (Subscriber+) Arbitrary File Upload CVSS 3.1CRITICAL 9.9
  • TI-2023-03128 User Registration <= 3.0.1 - Authenticated (Subscriber+) PHP Object Injection CVSS 3.1HIGH 8.8
  • TI-2023-13809 WordPress User Registration plugin <= 2.3.2.1 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2025-01300 Cross-site scripting in wpeverest User Registration & Membership – Free & Paid… CVSS 3.1MEDIUM 6.1
  • TI-2023-09774 WordPress User Registration Plugin <= 2.3.0 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.9
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences