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CVE-2023-4805 : What You Need to Know

Learn about CVE-2023-4805, a Stored Cross-Site Scripting vulnerability in Tutor LMS WordPress plugin before version 2.3.0, its impact, mitigation strategies, and how to secure your website.

This CVE record involves a vulnerability in the Tutor LMS WordPress plugin before version 2.3.0, which could potentially lead to Stored Cross-Site Scripting attacks.

Understanding CVE-2023-4805

This section will provide an in-depth look into the nature of CVE-2023-4805, its impact, technical details, and mitigation strategies.

What is CVE-2023-4805?

The CVE-2023-4805 vulnerability pertains to the Tutor LMS WordPress plugin version prior to 2.3.0. It arises from a lack of proper sanitization and escaping of certain settings within the plugin. This oversight could allow attackers, even users with limited capabilities like subscribers, to execute Stored Cross-Site Scripting attacks, bypassing security measures like the disallowance of unfiltered_html capability.

The Impact of CVE-2023-4805

The impact of this vulnerability is significant as it exposes websites using the affected versions of the Tutor LMS plugin to the risk of Cross-Site Scripting attacks. Attackers can inject malicious scripts into the site, leading to various consequences such as data theft, session hijacking, and unauthorized access.

Technical Details of CVE-2023-4805

Now, let's delve into the technical aspects of CVE-2023-4805, including vulnerability description, affected systems and versions, and exploitation mechanisms.

Vulnerability Description

The vulnerability in the Tutor LMS WordPress plugin allows for Stored Cross-Site Scripting attacks by not properly sanitizing and escaping certain settings. This oversight enables attackers to inject and execute malicious scripts on the target website.

Affected Systems and Versions

The affected system in this case is the Tutor LMS WordPress plugin version prior to 2.3.0. Websites using versions less than 2.3.0 are at risk of exploitation if not promptly addressed.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the lack of sanitization in the plugin settings to inject malicious scripts. By executing Stored Cross-Site Scripting attacks, they can compromise the integrity and security of the affected websites.

Mitigation and Prevention

To address CVE-2023-4805 and safeguard systems from potential attacks, it is crucial to follow immediate steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Website administrators should update the Tutor LMS plugin to version 2.3.0 or newer to mitigate the vulnerability. Additionally, monitoring for any suspicious activities or unauthorized script injections is recommended.

Long-Term Security Practices

In the long term, it is essential to prioritize secure coding practices, conduct regular security audits, and educate users on best practices to prevent Cross-Site Scripting attacks.

Patching and Updates

Regularly checking for plugin updates, applying patches promptly, and staying informed about security advisories related to plugins used on websites can help prevent vulnerabilities like CVE-2023-4805 from being exploited.

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