CVE-2023-39360 : What You Need to Know

This article provides detailed information about CVE-2023-39360, a Reflected Cross-site Scripting vulnerability in Cacti's 'graphs_new.php'.

Understanding CVE-2023-39360

This CVE involves a Stored Cross-Site Scripting (XSS) vulnerability in Cacti, affecting versions prior to 1.2.25.

What is CVE-2023-39360?

Cacti, an open-source operational monitoring framework, is prone to a Stored XSS vulnerability that allows authenticated users to manipulate data.

The Impact of CVE-2023-39360

The vulnerability resides in the 'graphs_new.php' script, allowing attackers to inject malicious scripts via the 'returnto' parameter, potentially leading to data poisoning.

Technical Details of CVE-2023-39360

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

Multiple validations in place do not account for the 'returnto' parameter, enabling attackers to bypass security measures by including 'host.php' in the parameter.

Affected Systems and Versions

Cacti versions below 1.2.25 are vulnerable to this XSS flaw.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious 'returnto' parameter to inject harmful scripts.

Mitigation and Prevention

Discover the immediate steps to safeguard systems and best practices for long-term security.

Immediate Steps to Take

Users are strongly advised to upgrade Cacti to version 1.2.25 to mitigate the risk of XSS attacks. For those unable to update immediately, manually filtering HTML output can provide temporary protection.

Long-Term Security Practices

Incorporate regular patching and updates into your security regimen to stay protected against emerging vulnerabilities.