Check Point Advisories

Joomla! CMS Cross-Site Scripting (CVE-2024-21726)

Check Point Reference: CPAI-2024-0130
Date Published: 27 Mar 2024
Severity: Medium
Last Updated: Wednesday 27 March, 2024
Industry Reference:CVE-2024-21726
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Joomla! CMS 3.7.0 through 3.10.15-elts
Joomla! CMS 4.x.x prior to 4.4.3
Joomla! CMS 5.x.x prior to 5.0.3
Vulnerability Description A cross-site scripting vulnerability exists for Joomla! CMS. This vulnerability is due to insufficient filtering of HTML tags in user-provided data.Successful exploitation could result in execution of arbitrary script code in the victim's browser.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Joomla! CMS Cross-Site Scripting (CVE-2024-21726) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Joomla! CMS Cross-Site Scripting (CVE-2024-21726)

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