CVE-2023-33197 : Vulnerability Insights and Analysis

Craft CMS stored XSS in indexedVolumes

Understanding CVE-2023-33197

Craft CMS, a content management system for creating custom web experiences, was found to have a stored Cross-Site Scripting (XSS) vulnerability in its indexedVolumes functionality.

What is CVE-2023-33197?

Craft CMS is vulnerable to XSS via the Update Asset Index utility, allowing attackers to inject malicious scripts into web pages.

The Impact of CVE-2023-33197

The vulnerability could lead to unauthorized access, data theft, and potentially the complete takeover of affected Craft CMS instances. It poses a medium severity risk with a CVSS base score of 5.5.

Technical Details of CVE-2023-33197

The vulnerability identified in Craft CMS is categorized under CWE-80, involving the improper neutralization of script-related HTML tags in web pages.

Vulnerability Description

The XSS vulnerability in indexedVolumes can be exploited by an attacker with low privileges and user interaction required, potentially leading to the compromise of confidentiality, integrity, and availability.

Affected Systems and Versions

Craft CMS versions >= 4.0.0-RC1 and <= 4.4.5 are affected by this vulnerability.

Exploitation Mechanism

By utilizing the Update Asset Index utility, threat actors can inject malicious scripts into Craft CMS web pages, exploiting the stored XSS weakness.

Mitigation and Prevention

Craft CMS has released version 4.4.6, which addresses the CVE-2023-33197 vulnerability. Users are urged to update their systems to the patched version to mitigate the risk of exploitation.

Immediate Steps to Take

Users should immediately upgrade their Craft CMS installations to version 4.4.6 to prevent potential XSS attacks through indexedVolumes.

Long-Term Security Practices

Regularly monitor Craft CMS security advisories and apply updates promptly to protect against security vulnerabilities.

Patching and Updates

Stay informed about the latest releases and security patches from Craft CMS to ensure a secure web experience.