Joomla! Project Joomla! CMS up to 5.4.6/6.1.1 File Management View default.php cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in Joomla! Project Joomla! CMS up to 5.4.6/6.1.1. This affects an unknown part of the file administrator/components/com_templates/views/filemanagement/tmpl/default.php of the component File Management View. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2026-48950. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Joomla! Project Joomla! CMS up to 5.4.6/6.1.1 and classified as problematic. Affected by this issue is an unknown functionality of the file administrator/components/com_templates/views/filemanagement/tmpl/default.php of the component File Management View. 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:

Lack of escaping leads to an XSS vulnerability in the file management view of com_templates.

The advisory is shared for download at developer.joomla.org. This vulnerability is handled as CVE-2026-48950 since 05/26/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/07/2026). The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:administrator/components/com_templates/views/filemanagement/tmpl/default.php it is possible to find vulnerable targets with Google Hacking.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-42067). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Project Management Software

Vendor

• Joomla! Project

Name

• Joomla! CMS

Version

• 5.4.0
• 5.4.1
• 5.4.2
• 5.4.3
• 5.4.4
• 5.4.5
• 5.4.6
• 6.1.0
• 6.1.1

License

• open-source

CPE 2.3info

• 🔒
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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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