SB2025010984 - Multiple vulnerabilities in WordPress File Upload plugin

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2024-9939)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in wfu_file_downloader.php. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

2) Code Injection (CVE-ID: CVE-2024-11635)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the "wfu_ABSPATH" cookie parameter. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://plugins.trac.wordpress.org/changeset/3188857/wp-file-upload
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5e51f301-026d-4ed7-82f8-96c1623bf95c?source=cve
• https://plugins.svn.wordpress.org/wp-file-upload/trunk/wfu_file_downloader.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b5165f60-6515-4a2c-a124-cc88155eaf01?source=cve