CVE-2023-44383 : Security Advisory and Response

This CVE article provides insights into CVE-2023-44383, a vulnerability affecting October CMS.

Understanding CVE-2023-44383

This section delves into the details of the CVE-2023-44383 vulnerability affecting October CMS.

What is CVE-2023-44383?

CVE-2023-44383 is a stored Cross-Site Scripting (XSS) vulnerability in October CMS. It arises when an authenticated backend user configures SVG files improperly, potentially leading to a stored XSS attack.

The Impact of CVE-2023-44383

The vulnerability allows attackers to execute malicious scripts within the context of the target user's session. This could result in data theft, unauthorized actions, and compromise of user accounts within the affected CMS platform.

Technical Details of CVE-2023-44383

This section explores the technical aspects of the CVE-2023-44383 vulnerability in October CMS.

Vulnerability Description

The vulnerability in October CMS arises due to improper neutralization of input during web page generation, specifically related to SVG files. An attacker could exploit this flaw to inject and execute malicious scripts within the CMS environment.

Affected Systems and Versions

October CMS versions greater than or equal to 3.0.0, up to version 3.5.2, are impacted by CVE-2023-44383. Users utilizing these versions are susceptible to the stored XSS vulnerability.

Exploitation Mechanism

An authenticated backend user with access to the media manager capable of storing SVG files could trigger the vulnerability by uploading malicious SVG files, thus enabling the execution of a stored XSS attack.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2023-44383 within October CMS.

Immediate Steps to Take

Users are advised to update their October CMS installations to version 3.5.2 or later, where the vulnerability has been patched. Additionally, restricting access to the media manager for unauthorized users can help reduce the attack surface.

Long-Term Security Practices

Implementing a robust input validation mechanism, conducting regular security audits, and staying informed about security best practices can enhance the security posture of October CMS installations.

Patching and Updates

Regularly applying security patches released by October CMS and staying informed about security advisories can help address vulnerabilities promptly and maintain a secure CMS environment.