CVE-2021-44911 Information

Description

XE before 1.11.6 is vulnerable to Unrestricted file upload via modules/menu/menu.admin.controller.php. When uploading the Mouse over button and When selected button there is no restriction on the file suffix which leads to any file uploading to the files directory. Since .htaccess only restricts the PHP type uploading HTML-type files leads to stored XSS vulnerabilities.

CVSS Vector

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

Reference

https://github.com/xpressengine/xe-core/issues/2434

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4