CVE-2020-24063 : Security Advisory and Response

The Canto plugin 1.3.0 for WordPress allows includes/lib/download.php?subdomain= SSRF.

Understanding CVE-2020-24063

The Canto plugin 1.3.0 for WordPress is vulnerable to SSRF (Server-Side Request Forgery).

What is CVE-2020-24063?

CVE-2020-24063 is a vulnerability in the Canto plugin 1.3.0 for WordPress that enables SSRF through the includes/lib/download.php?subdomain= parameter.

The Impact of CVE-2020-24063

This vulnerability could allow an attacker to send crafted requests from the server, potentially leading to unauthorized access to internal systems or services.

Technical Details of CVE-2020-24063

The technical aspects of the CVE-2020-24063 vulnerability are as follows:

Vulnerability Description

The Canto plugin 1.3.0 for WordPress is susceptible to SSRF due to improper handling of user-supplied input in the subdomain parameter.

Affected Systems and Versions

Affected Version: 1.3.0
Product: Canto plugin for WordPress

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the subdomain parameter to make the server perform requests to arbitrary domains.

Mitigation and Prevention

Protect your systems from CVE-2020-24063 with the following measures:

Immediate Steps to Take

Disable or restrict access to the affected plugin.
Implement network controls to limit outgoing requests.
Regularly monitor server logs for unusual activities.

Long-Term Security Practices

Keep software and plugins updated to patch known vulnerabilities.
Conduct regular security assessments and penetration testing.

Patching and Updates

Check for patches or updates from the plugin vendor to address the SSRF vulnerability.