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CVE-2022-45821 Explained : Impact and Mitigation

Learn about CVE-2022-45821, a Cross-Site Scripting (XSS) vulnerability in the WordPress NOO Timetable plugin up to version 2.1.3. Understand the impact, technical details, and mitigation steps.

WordPress NOO Timetable Plugin <= 2.1.3 is vulnerable to Cross Site Scripting (XSS)

Understanding CVE-2022-45821

This CVE-2022-45821 involves a Stored Cross-Site Scripting (XSS) vulnerability in the NooTheme Noo Timetable plugin with versions up to 2.1.3.

What is CVE-2022-45821?

CVE-2022-45821 is a security vulnerability found in the Noo Timetable plugin for WordPress where attackers could inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2022-45821

The impact of this CVE includes the potential exposure of sensitive user data and the ability for attackers to execute malicious scripts in the context of the victim's session.

Technical Details of CVE-2022-45821

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability enables unauthorized users to store malicious scripts in the plugin, leading to a cross-site scripting attack.

Affected Systems and Versions

The vulnerability affects versions of the Noo Timetable plugin up to and including version 2.1.3.

Exploitation Mechanism

Attackers with contributor-level access can exploit this vulnerability to inject and execute malicious scripts, potentially compromising the security and integrity of the affected WordPress sites.

Mitigation and Prevention

To protect your system from CVE-2022-45821, take the following steps:

Immediate Steps to Take

        Update the Noo Timetable plugin to a patched version above 2.1.3.
        Regularly monitor and audit user-contributed content for suspicious scripts.

Long-Term Security Practices

        Educate users on safe practices for content creation and sharing.
        Implement a web application firewall (WAF) to filter and block malicious input.

Patching and Updates

Stay informed about security updates for the Noo Timetable plugin and promptly apply patches to mitigate any known vulnerabilities.

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