CVE-2020-28976 Explained : Impact and Mitigation

The Canto plugin 1.3.0 for WordPress has a blind SSRF vulnerability that allows unauthenticated attackers to send requests to internal and external servers.

Understanding CVE-2020-28976

This CVE involves a security vulnerability in the Canto plugin 1.3.0 for WordPress that can be exploited by attackers.

What is CVE-2020-28976?

The Canto plugin 1.3.0 for WordPress contains a blind SSRF vulnerability that enables unauthenticated attackers to make requests to any internal and external server via a specific URL.

The Impact of CVE-2020-28976

This vulnerability can be exploited by malicious actors to perform Server-Side Request Forgery attacks, potentially leading to unauthorized access to sensitive data or further network compromise.

Technical Details of CVE-2020-28976

This section provides more technical insights into the CVE.

Vulnerability Description

The Canto plugin 1.3.0 for WordPress is susceptible to blind SSRF attacks, allowing attackers to send crafted requests to arbitrary servers.

Affected Systems and Versions

Product: Canto plugin 1.3.0 for WordPress
Vendor: Canto
Version: 1.3.0 (affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious requests to the /includes/lib/detail.php?subdomain=SSRF endpoint.

Mitigation and Prevention

Protecting systems from CVE-2020-28976 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable or remove the vulnerable Canto plugin 1.3.0 from WordPress installations.
Monitor network traffic for any suspicious activity.
Implement strict input validation to prevent SSRF attacks.

Long-Term Security Practices

Regularly update and patch all software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users and administrators about the risks of SSRF attacks and best security practices.
Consider using web application firewalls to filter and block malicious requests.

Patching and Updates

Check for security updates or patches provided by Canto for the plugin.
Apply updates promptly to mitigate the SSRF vulnerability.