CVE-2023-4187 : Vulnerability Insights and Analysis

This CVE record involves a Cross-site Scripting (XSS) vulnerability that is stored in the GitHub repository of instantsoft/icms2 prior to version 2.16.1-git.

Understanding CVE-2023-4187

This section will delve into the details of CVE-2023-4187, shedding light on what it is and its potential impact.

What is CVE-2023-4187?

CVE-2023-4187 is a Cross-site Scripting (XSS) vulnerability found in the instantsoft/icms2 GitHub repository before version 2.16.1-git. This CWE-79 type flaw involves improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-4187

The impact of CVE-2023-4187 is rated as low severity. However, it poses a risk as it could potentially allow an attacker to execute malicious scripts within a victim's browser, leading to various consequences such as data theft, session hijacking, or defacement of web pages.

Technical Details of CVE-2023-4187

In this section, we will explore the technical aspects of CVE-2023-4187, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in instantsoft/icms2 before version 2.16.1-git arises due to the improper handling of user input, specifically in the context of web page generation. This allows malicious actors to inject and execute arbitrary scripts within the browser of other users.

Affected Systems and Versions

The affected system is instantsoft/icms2, specifically versions prior to 2.16.1-git. Systems running these versions are susceptible to the Cross-site Scripting (XSS) vulnerability identified in CVE-2023-4187.

Exploitation Mechanism

To exploit CVE-2023-4187, attackers would insert malicious scripts into input fields or parameters on a vulnerable web page. These scripts would then be executed when another user accesses the compromised page, potentially leading to unauthorized actions or data exposure.

Mitigation and Prevention

Mitigating the risk posed by CVE-2023-4187 involves taking immediate steps to secure systems and implementing long-term security practices to prevent similar vulnerabilities in the future.

Immediate Steps to Take

Disable any dynamic content or user-generated input fields that could be susceptible to XSS attacks.
Regularly monitor web applications for any unauthorized changes or injected scripts.
Educate users on safe browsing practices to minimize the risk of executing malicious scripts.

Long-Term Security Practices

Implement secure coding practices to sanitize and validate user input to prevent XSS vulnerabilities.
Keep software and systems up to date to apply patches and security updates that address known vulnerabilities.
Conduct regular security assessments and penetration testing to identify and remediate potential weaknesses in web applications.

Patching and Updates

Users of instantsoft/icms2 are advised to update to version 2.16.1-git or later to patch the XSS vulnerability identified in CVE-2023-4187. By ensuring systems are running the latest software versions, organizations can effectively protect against known security threats and vulnerabilities.