Arbitrary file upload in Umbraco CMS - CVE-2023-49279

 

Arbitrary file upload in Umbraco CMS - CVE-2023-49279

Published: December 12, 2023 / Updated: December 13, 2023


Vulnerability identifier: #VU84111
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2023-49279
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Umbraco CMS
Software vendor:
Umbraco

Description

The vulnerability allows a remote user to perform XSS attack.

The vulnerability exists due to the application allows upload of SVG files with JavaScript code inside. A remote user can upload a specially crafted SVG file and perform XSS attacks.


Remediation

Install updates from vendor's website.

External links