Joomla CMS up to 3.10.14/4.4.2/5.0.2 Media Selection cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in Joomla CMS up to 3.10.14/4.4.2/5.0.2. The impacted element is an unknown function of the component Media Selection Handler. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2024-21724. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Joomla CMS up to 3.10.14/4.4.2/5.0.2 (Content Management System) and classified as problematic. Affected by this issue is some unknown functionality of the component Media Selection Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

Inadequate input validation for media selection fields lead to XSS vulnerabilities in various extensions.

The weakness was presented 02/20/2024 by Dominik Ziegelmüller. The advisory is shared for download at developer.joomla.org. This vulnerability is handled as CVE-2024-21724 since 01/01/2024. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/15/2025). The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Joomla

Name

• CMS

Version

• 3.10.0
• 3.10.1
• 3.10.2
• 3.10.3
• 3.10.4
• 3.10.5
• 3.10.6
• 3.10.7
• 3.10.8
• 3.10.9
• 3.10.10
• 3.10.11
• 3.10.12
• 3.10.13
• 3.10.14
• 4.4.0
• 4.4.1
• 4.4.2
• 5.0.0
• 5.0.1
• 5.0.2

License

• open-source

Website

• Vendor: https://www.joomla.org/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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