CVE-2023-43647 : Vulnerability Insights and Analysis

A cross-site scripting vulnerability in the file upload feature of baserCMS has been identified with CVE-2023-43647. This article provides an overview of the vulnerability, its impact, technical details, and mitigation steps.

Understanding CVE-2023-43647

This section delves into the specifics of the baserCMS vulnerability, including its description, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2023-43647?

The CVE-2023-43647 refers to a cross-site scripting vulnerability in baserCMS's file upload feature prior to version 4.8.0. Attackers can exploit this flaw to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-43647

The vulnerability poses a moderate risk with a CVSSv3 base score of 6.1 (Medium severity). If exploited, it could lead to unauthorized access, data manipulation, or potential attacks on users interacting with the affected feature.

Technical Details of CVE-2023-43647

This section dives into the technical aspects of the baserCMS vulnerability, shedding light on the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper neutralization of input during web page generation, allowing attackers to execute arbitrary scripts within the context of the affected site.

Affected Systems and Versions

The vulnerability affects baserCMS versions prior to 4.8.0, making them susceptible to exploitation. Users of these versions are at risk and should take immediate action.

Exploitation Mechanism

Attackers can exploit the vulnerability by uploading a malicious file containing a script, which, when executed, can compromise the security of the website and potentially harm users interacting with the affected feature.

Mitigation and Prevention

This section outlines the steps that organizations and users can take to prevent exploitation of CVE-2023-43647 and secure their systems and data.

Immediate Steps to Take

Users are advised to update baserCMS to version 4.8.0 or later, which contains a patch for the cross-site scripting vulnerability. Additionally, implement web application firewalls and input validation mechanisms to mitigate such vulnerabilities.

Long-Term Security Practices

Regularly monitor security advisories and updates from baserCMS to stay informed about potential vulnerabilities and patches. Conduct routine security assessments to identify and address security gaps in web applications.

Patching and Updates

Ensure timely installation of security patches and updates provided by the baserCMS project. Regularly check for new releases and apply patches promptly to safeguard against known vulnerabilities.