CVE-2020-11548 : Security Advisory and Response

The Search Meter plugin through 2.13.2 for WordPress allows user input introduced in the search bar to be any formula. The attacker could achieve remote code execution via CSV injection if a wp-admin/index.php?page=search-meter Export is performed.

Understanding CVE-2020-11548

This CVE involves a vulnerability in the Search Meter plugin for WordPress that could lead to remote code execution.

What is CVE-2020-11548?

The Search Meter plugin in WordPress allows user input in the search bar to execute any formula, potentially leading to remote code execution through CSV injection.

The Impact of CVE-2020-11548

The vulnerability could be exploited by attackers to execute malicious code remotely, compromising the security and integrity of the WordPress site.

Technical Details of CVE-2020-11548

The following technical details provide insight into the vulnerability.

Vulnerability Description

The Search Meter plugin in WordPress allows user input to execute any formula, enabling attackers to perform remote code execution via CSV injection.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions up to 2.13.2

Exploitation Mechanism

The attacker can exploit this vulnerability by introducing malicious input in the search bar and triggering a wp-admin/index.php?page=search-meter Export action.

Mitigation and Prevention

Protect your system from CVE-2020-11548 with the following mitigation strategies.

Immediate Steps to Take

Disable or remove the Search Meter plugin if not essential for site functionality.
Regularly monitor and review user inputs to detect any suspicious activity.

Long-Term Security Practices

Keep WordPress and all plugins up to date to prevent vulnerabilities.
Implement input validation and sanitization to prevent malicious code execution.

Patching and Updates

Check for plugin updates and apply patches promptly to address security flaws.