CVE-2023-1400 : What You Need to Know

This CVE identifier pertains to a security vulnerability found in the Modern Events Calendar Lite WordPress plugin.

Understanding CVE-2023-1400

This section delves into the details regarding CVE-2023-1400.

What is CVE-2023-1400?

CVE-2023-1400 is a Stored Cross-Site Scripting (XSS) vulnerability discovered in the Modern Events Calendar Lite WordPress plugin before version 6.5.2.

The Impact of CVE-2023-1400

The vulnerability arises from the plugin's failure to sanitize and escape certain settings properly. This flaw could be exploited by high privilege users, such as admins, to execute malicious XSS attacks, even when the unfiltered_html capability is disabled.

Technical Details of CVE-2023-1400

This section covers the technical aspects of CVE-2023-1400.

Vulnerability Description

The vulnerability in the Modern Events Calendar Lite plugin allows attackers to inject malicious scripts into the web application, leading to unauthorized access, data manipulation, or other forms of malicious activity.

Affected Systems and Versions

The affected system is the Modern Events Calendar Lite plugin versions prior to 6.5.2. Users with these versions are at risk of exploitation if the vulnerability is not addressed.

Exploitation Mechanism

By leveraging this vulnerability, attackers can insert harmful scripts into the plugin's settings, potentially compromising the security and integrity of the WordPress site.

Mitigation and Prevention

To address CVE-2023-1400 and prevent exploitation, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update: Users should update the Modern Events Calendar Lite plugin to version 6.5.2 or later to mitigate the vulnerability.
Monitoring: Regularly monitor for any unusual or unauthorized activities on the WordPress site.

Long-Term Security Practices

Security Audits: Conduct routine security audits to identify and address any vulnerabilities promptly.
User Permissions: Review and restrict user privileges to minimize the impact of potential security breaches.

Patching and Updates

Stay informed about security patches and updates released by plugin developers.
Implement a robust update strategy to ensure the timely application of security fixes to WordPress plugins.