CVE-2026-48946

CVSS Score & Metrics

Base Score

6.3 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L                                    

Vulnerability Description

The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.

Vulnerability Details

Published Date

June 25, 2026

Last Modified

June 26, 2026

CWE ID

CWE-434

Source

NVD

Vendor

getk2.com

Product

K2 extension for Joomla

External References

https://www.getk2.org/

CVSS Score & Metrics

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Vulnerability Details

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