CVE-2020-28036 Explained : Impact and Mitigation
Learn about CVE-2020-28036, a WordPress vulnerability allowing attackers to gain privileges via XML-RPC. Find mitigation steps and long-term security practices here.
WordPress before 5.5.2 allows attackers to gain privileges by using XML-RPC to comment on a post.
Understanding CVE-2020-28036
This CVE identifies a vulnerability in WordPress that could be exploited by attackers to elevate their privileges.
What is CVE-2020-28036?
The vulnerability in wp-includes/class-wp-xmlrpc-server.php in WordPress before version 5.5.2 allows attackers to gain unauthorized privileges by leveraging XML-RPC to comment on a post.
The Impact of CVE-2020-28036
Exploitation of this vulnerability could lead to unauthorized elevation of privileges within a WordPress site, potentially allowing attackers to perform malicious actions.
Technical Details of CVE-2020-28036
This section provides more technical insights into the vulnerability.
Vulnerability Description
The specific issue lies in the way WordPress handles XML-RPC requests, enabling attackers to manipulate comments and gain unauthorized privileges.
Affected Systems and Versions
- Affected Version: WordPress versions before 5.5.2
- Systems: WordPress installations that allow XML-RPC requests
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted XML-RPC requests to the WordPress site, specifically targeting the commenting functionality.
Mitigation and Prevention
Protecting systems from CVE-2020-28036 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update WordPress to version 5.5.2 or later to patch the vulnerability.
- Disable XML-RPC if not required for site functionality.
- Monitor for any unauthorized activities on the site.
Long-Term Security Practices
- Regularly update WordPress and plugins to the latest versions.
- Implement strong password policies and user access controls.
- Conduct security audits and penetration testing regularly.
Patching and Updates
- Apply security patches promptly as soon as they are released by WordPress.
- Stay informed about security advisories and updates from WordPress and relevant security mailing lists.