CVE-2023-4653 : Security Advisory and Response

This CVE-2023-4653 concerns a Cross-site Scripting (XSS) vulnerability that is stored in the GitHub repository instantsoft/icms2 prior to version 2.16.1-git.

Understanding CVE-2023-4653

This section delves into the details of the CVE-2023-4653 vulnerability, its impacts, technical aspects, and mitigation strategies.

What is CVE-2023-4653?

CVE-2023-4653 is categorized as a Cross-site Scripting (XSS) vulnerability found in the GitHub repository instantsoft/icms2 before version 2.16.1-git. This type of vulnerability allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-4653

The impact of this vulnerability is rated with a CVSS v3.0 base score of 5.9, denoting a medium severity level. The attack complexity is considered high, with a network-based attack vector and a high impact on availability. Although confidentiality and integrity impacts are low, user interaction is required to exploit this vulnerability.

Technical Details of CVE-2023-4653

In this section, we explore the specific technical details of CVE-2023-4653, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

CVE-2023-4653 stems from improper neutralization of input during web page generation, commonly known as 'Cross-site Scripting' (CWE-79). This allows malicious actors to inject scripts into web pages, potentially compromising user data and system integrity.

Affected Systems and Versions

The vulnerability affects the product instantsoft/icms2, specifically versions prior to 2.16.1-git, with an unspecified version type designated as 'custom'. Users utilizing affected versions are at risk of exploitation through XSS attacks.

Exploitation Mechanism

To exploit CVE-2023-4653, attackers craft malicious scripts that are then injected into vulnerable web pages within the instantsoft/icms2 GitHub repository. This enables them to execute unauthorized actions, access sensitive information, or manipulate user interactions.

Mitigation and Prevention

In response to CVE-2023-4653, prompt actions should be taken to mitigate the risks posed by the XSS vulnerability. Implementing immediate steps, establishing long-term security practices, and ensuring timely patching and updates are crucial measures to safeguard systems.

Immediate Steps to Take

Immediate actions to address CVE-2023-4653 include validating and sanitizing user input to prevent XSS attacks, conducting security assessments, and educating users about safe browsing habits to minimize the risk of exploitation.

Long-Term Security Practices

To enhance overall security posture, organizations should incorporate secure coding practices, implement web application firewalls, regularly audit code repositories for vulnerabilities, and stay informed about emerging threats in the cyber landscape.

Patching and Updates

It is essential to update the instantsoft/icms2 repository to version 2.16.1-git or above to remediate the CVE-2023-4653 vulnerability. Regularly applying patches and security updates helps to protect systems from known vulnerabilities and reinforces cybersecurity defenses.