SB2019031001 - Arbitrary file deletion in WP Fastest Cache plugin for WordPress
Published: March 10, 2019 Updated: March 25, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2019-6726)
The vulnerability allows a remote attacker to delete arbitrary files on the target system.
The vulnerability exists due to input validation error when processing directory traversal sequences passed via Referer HTTP header within the wp_postratings_clear_cache() function. A remote attacker can send a specially crafted HTTP request and delete arbitrary .php files on the server, causing denial of service attack.
Remediation
Install update from vendor's website.