SB2019031109 - Arbitrary file upload in WP-LiveChat WP Live Chat Support for WordPress
Published: March 11, 2019 Updated: September 2, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2018-12426)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to absent validation of file extension when uploading files via v1/remote_upload request. A remote attacker can upload and execute arbitrary .php file on the server and execute it.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.