CVE-2023-23813 : Security Advisory and Response

This CVE-2023-23813 pertains to a Cross-Site Request Forgery (CSRF) vulnerability identified in the My Calendar plugin version 3.4.3 and earlier for WordPress. The vulnerability was discovered by thiennv from Patchstack Alliance and has been classified with a CVSS v3.1 base score of 5.4, indicating a medium severity level.

Understanding CVE-2023-23813

This section dives deeper into the vulnerability, its impact, technical details, affected systems, and mitigation strategies associated with CVE-2023-23813.

What is CVE-2023-23813?

The CVE-2023-23813 vulnerability involves a Cross-Site Request Forgery (CSRF) flaw detected in the My Calendar plugin, specifically affecting versions equal to or below 3.4.3. CSRF attacks can manipulate user actions within a web application without their consent.

The Impact of CVE-2023-23813

The impact of this vulnerability is categorized under CAPEC-62 - Cross Site Request Forgery. Exploitation of this weakness could lead to unauthorized actions being performed on behalf of a user without their knowledge, potentially compromising data integrity.

Technical Details of CVE-2023-23813

This section outlines the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The identified vulnerability in the My Calendar plugin version 3.4.3 and earlier allows for Cross-Site Request Forgery (CSRF) attacks to occur, posing a risk to the security of impacted systems.

Affected Systems and Versions

The My Calendar plugin versions equal to or below 3.4.3 are susceptible to this CSRF vulnerability, putting users of these versions at risk of exploitation.

Exploitation Mechanism

Malicious actors can potentially exploit this vulnerability by tricking authenticated users into unknowingly executing unauthorized actions on the targeted web application.

Mitigation and Prevention

Understanding the severity of CVE-2023-23813, it is crucial to implement immediate and long-term security measures to prevent exploitation and safeguard affected systems.

Immediate Steps to Take

Users are advised to update their My Calendar plugin to version 3.4.4 or above to mitigate the CSRF vulnerability and enhance the security posture of their WordPress installations.

Long-Term Security Practices

Incorporating regular security audits, monitoring for suspicious activities, and educating users on CSRF risks can help fortify defenses against potential attacks in the future.

Patching and Updates

Regularly applying security patches and updates provided by software vendors is essential to address known vulnerabilities promptly and stay protected against emerging threats.