MW WP Form <= 4.4.2 - Directory Traversal via _file_upload

5.3
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE CVE-2023-28409
CVSS 5.3 (Medium)
Publicly Published May 8, 2023
Last Updated January 22, 2024
Researcher Shuya Ota

Description

The MW WP Form plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 4.4.2 via the _file_upload function. This allows unauthenticated attackers to upload files of allowed types to arbitrary directories on the site.

References

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Vulnerability Details for MW WP Form

Software Type Plugin
Software Slug mw-wp-form (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.4.3, or a newer patched version
Affected Version
  • < 4.4.3
Patched Version
  • 4.4.3

Recent vulnerabilities in MW WP Form

# Title CVE ID CVSS Researchers Date
1 MW WP Form <= 5.1.3 - Authenticated (Editor+) Stored Cross-Site Scripting via 'memo' Parameter CVE-2026-8853 4.4 Sérgio Charruadas (itzvenom) June 9, 2026
2 MW WP Form <= 5.1.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-48871 7.2 VanTastic June 1, 2026
3 MW WP Form <= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Disclosure via 'post_id' Query Parameter CVE-2026-6206 5.3 alex_henry20 May 13, 2026
4 MW WP Form <= 5.1.1 - Unauthenticated Arbitrary File Move via regenerate_upload_file_keys CVE-2026-5436 8.1 Sander Horsman April 8, 2026
5 MW WP Form <= 5.1.0 - Unauthenticated Arbitrary File Move via move_temp_file_to_upload_dir CVE-2026-4347 8.1 ISMAILSHADOW April 1, 2026
6 MW WP Form <= 5.0.6 - Authenticated (Editor+) Stored Cross-Site Scripting CVE-2024-24804 5.5 Huynh Tien Si January 31, 2024
7 MW WP Form <= 5.0.3 - Improper Limitation of File Name to Unauthenticated Arbitrary File Deletion CVE-2023-6559 7.5 Thomas Sanzey December 15, 2023
8 MW WP Form <= 5.0.1 - Unauthenticated Arbitrary File Upload CVE-2023-6316 9.8 István Márton December 4, 2023
9 MW WP Form <= 4.4.5 - Missing Authorization CVE-2023-46206 5.3 Revan Arifio October 19, 2023

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