CVE-2022-36390 : What You Need to Know

This article provides an overview of CVE-2022-36390, a vulnerability found in the Totalsoft Event Calendar - Calendar plugin for WordPress version 1.4.6 and below

Understanding CVE-2022-36390

CVE-2022-36390 is an Authenticated Reflected Cross-Site Scripting (XSS) vulnerability affecting Totalsoft Event Calendar - Calendar plugin version 1.4.6 and below.

What is CVE-2022-36390?

The vulnerability allows authenticated (subscriber+) users to execute XSS attacks within the affected WordPress plugin, potentially leading to data manipulation and unauthorized actions.

The Impact of CVE-2022-36390

With a CVSS base score of 4.1 (Medium Severity), the vulnerability's impact is deemed relatively moderate, with low integrity impact and no availability impact.

Technical Details of CVE-2022-36390

Vulnerability Description

The vulnerability arises from inadequate input sanitization in the Totalsoft Event Calendar - Calendar plugin, enabling malicious users to inject and execute arbitrary scripts.

Affected Systems and Versions

Totalsoft Event Calendar - Calendar plugin versions 1.4.6 and below are affected by this XSS vulnerability.

Exploitation Mechanism

Attackers with subscriber-level access can exploit this vulnerability by injecting malicious scripts into parameters or fields within the plugin in the context of a user's session.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update the Totalsoft Event Calendar - Calendar plugin to version 1.4.7 or higher to mitigate the risk of exploitation.

Long-Term Security Practices

Implement secure coding practices, input validation mechanisms, and regular security audits to prevent XSS vulnerabilities in WordPress plugins.

Patching and Updates

Stay informed about plugin updates and security patches released by Totalsoft to address known vulnerabilities.