CVE-2023-36093 : Security Advisory and Response

A detailed overview of the cross site scripting (XSS) vulnerability in EyouCMS v1.6.3 affecting the filing number in the Basic Information tab.

Understanding CVE-2023-36093

This section delves into the impact, technical details, and mitigation steps related to CVE-2023-36093.

What is CVE-2023-36093?

CVE-2023-36093 is a storage type cross site scripting (XSS) vulnerability found in the filing number of the Basic Information tab on the backend management page of EyouCMS v1.6.3.

The Impact of CVE-2023-36093

This vulnerability allows attackers to execute malicious scripts in the context of a victim's session, potentially leading to unauthorized access, data theft, and further compromise of the affected system.

Technical Details of CVE-2023-36093

Understanding the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability resides in the handling of the filing number input on the backend management page, enabling attackers to inject and execute arbitrary JavaScript code.

Affected Systems and Versions

EyouCMS v1.6.3 is confirmed to be affected by this XSS vulnerability.

Exploitation Mechanism

Attackers can exploit this issue by injecting malicious scripts into the filing number field, which get executed when viewed by an authenticated user with appropriate privileges.

Mitigation and Prevention

Guidance on immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to restrict access to the backend interface, validate and sanitize user inputs, and implement Content Security Policy (CSP) to mitigate XSS attacks.

Long-Term Security Practices

Regular security audits, employee training on secure coding practices, and staying informed about security best practices can help prevent similar vulnerabilities.

Patching and Updates

Developers should monitor official channels for patches or updates released by EyouCMS to address and remediate the XSS vulnerability in a timely manner.