NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-48946
Summary

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.

Publication Date June 26, 2026, 1:16 a.m.
Registration Date June 27, 2026, 4:29 a.m.
Last Update June 27, 2026, 2:43 a.m.
CVSS3.1 : MEDIUM
スコア 6.3
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\!:*:* 2.26
Related information, measures and tools
Common Vulnerabilities List