CVE-2024-45965: Duplicate Advisory: Contao allows admin an account to upload SVG file containing malicious JavaScript

October 2, 2024 (updated April 22, 2025)

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-vqqr-fgmh-f626. This link is maintained to preserve external references.

Original Description

Contao 5.4.1 allows an authenticated admin account to upload a SVG file containing malicious javascript code into the target system. If the file is accessed through the website, it could lead to a Cross-Site Scripting (XSS) attack or execute arbitrary code via a crafted javascript to the target.

References

contao.org/en/security-advisories/cross-site-scripting-through-svg-uploads
github.com/advisories/GHSA-mrw8-5368-phm3
github.com/contao/contao
grimthereaperteam.medium.com/contao-5-4-1-malicious-file-upload-xss-in-svg-30edb8820ecb
nvd.nist.gov/vuln/detail/CVE-2024-45965

Code Behaviors & Features

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