CVE-2026-4347 - Vulnerability Analysis
HighCVSS: 8.1Last Updated: April 2, 2026
MW WP Form - Unrestricted File Upload
Published: April 2, 2026Updated: April 2, 2026Remote Exploitable
Overview
MW WP Form plugin for WordPress <= 5.1.0 contains an arbitrary file moving vulnerability caused by insufficient file path validation in 'generate_user_filepath' and 'move_temp_file_to_upload_dir' functions, letting unauthenticated attackers move arbitrary files on the server, exploit requires a file upload field and enabled database saving option.
Severity & Score
Severity: High
CVSS Score: 8.1
Impact
Unauthenticated attackers can move arbitrary files on the server, potentially leading to remote code execution.
Mitigation
Update to the latest version beyond 5.1.0.
References
- https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.1.0/classes/controllers/class.main.php#L271
- https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.1.0/classes/models/class.directory.php#L138
- https://www.wordfence.com/threat-intel/vulnerabilities/id/194ee4a0-87c3-42e5-9676-8dd355838b78?source=cve
Related Resources
Details
- CVE ID
- CVE-2026-4347
- Severity
- High
- CVSS Score
- 8.1
- Type
- unrestricted_file_upload
- Status
- new
CWE
- CWE-22
CVSS Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H