CVE-2026-4882 - Vulnerability Analysis
CriticalCVSS: 9.8Last Updated: May 2, 2026
User Registration Advanced Fields WordPress plugin - Unrestricted File Upload
Published: May 2, 2026Updated: May 2, 2026Remote Exploitable
Overview
User Registration Advanced Fields WordPress plugin <= 1.6.20 contains an unrestricted file upload vulnerability caused by missing file type validation in 'URAF_AJAX::method_upload', letting unauthenticated attackers upload arbitrary files, exploit requires a 'Profile Picture' field in the form.
Severity & Score
Severity: Critical
CVSS Score: 9.8
Impact
Unauthenticated attackers can upload arbitrary files, potentially leading to remote code execution and full server compromise.
Mitigation
Update to the latest version beyond 1.6.20.
References
Related Resources
Details
- CVE ID
- CVE-2026-4882
- Severity
- Critical
- CVSS Score
- 9.8
- Type
- unrestricted_file_upload
- Status
- new
CWE
- CWE-434
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H