Arbitrary file upload in Drag and Drop Multiple File Upload - Contact Form 7 - CVE-2020-24389
Published: September 23, 2020
Vulnerability identifier: #VU46975
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2020-24389
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the validation of dangerous file extensions fails within ".phar" and ".phpt". A remote attacker can upload a malicious file and execute it on the server.
Affected software
Drag and Drop Multiple File Upload - Contact Form 7
How to mitigate CVE-2020-24389
Install updates from vendor's website.
Drag and Drop Multiple File Upload - Contact Form 7 - update to 1.3.5.5