# CVE-2026-48950: Joomla! CMS XSS in com_templates file management view

Source: https://junglewise.ai/threats/cve-2026-48950-joomla-cms-xss-in-com-templates-file-management-view  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07. Updated: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2026-48950 · Severity: info · CVSS 5.9 · Published 2026-07-07

Joomla! CMS, a popular website management platform, contains a security flaw in its template management component. An attacker with high-level administrative privileges could inject malicious scripts into the file management interface. If another administrator views the affected page, the script could execute, potentially leading to unauthorized actions or data theft within the management console.

Technologies: [Joomla! Project Joomla! CMS](https://junglewise.ai/threats/technologies/joomla-cms). Vendors: [Joomla! Project](https://junglewise.ai/threats/vendors/joomla-project).

## Quick answers

**Is CVE-2026-48950 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-48950 being exploited in the wild.

**How severe is CVE-2026-48950?** Informational severity, with a CVSS score of 5.9, published 7 July 2026.

**Which products and versions are affected?** Joomla! Project Joomla! CMS 4.0.0 - 5.4.6, 6.0.0 - 6.1.1.

**Is there a fix for CVE-2026-48950?** A patch was published on 2026-07-07: Fixed in versions 5.4.7 and 6.1.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-48950 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-48950?** Check whether you run Joomla! Project Joomla! CMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stored cross-site scripting (XSS) vulnerability exists in the Joomla! CMS 'com_templates' component within the file management view. The issue stems from a lack of proper output escaping of user-supplied data. An attacker with high privileges (PR:H) can exploit this by injecting malicious scripts that execute in the context of another user's browser session when they interact with the file management interface. The vulnerability affects Joomla! versions 4.0.0 through 5.4.6 and 6.0.0 through 6.1.1. It has been addressed in versions 5.4.7 and 6.1.2.

## Affected products

- Joomla! Project Joomla! CMS 4.0.0 - 5.4.6, 6.0.0 - 6.1.1

## Timeline

- 2026-05-07: disclosed: Reported to the Joomla! Security Centre
- 2026-07-07: patched: Fixed in versions 5.4.7 and 6.1.2
- 2026-07-07: advisory: NVD and Joomla! Project published advisories

## References

- [https://developer.joomla.org/security-centre/1058-20260704-core-xss-in-com-templates.html](https://developer.joomla.org/security-centre/1058-20260704-core-xss-in-com-templates.html)

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