SB2020100807 - Arbitrary File Deletion in HyperComments plugin for WordPress
Published: October 8, 2020
Security Bulletin ID
SB2020100807
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected plugin does not validate and sanitise user input which is being concatenated to create a file path, passed to unlink(). A remote attacker can bypass implemented security restrictions and cause arbitrary file deletion.
Remediation
Install update from vendor's website.