Chartbrew before 4.8.4 allows hackers to steal user accounts

Summary

Chartbrew, a web app that creates charts, had a security weakness that allowed hackers to upload malicious files. If exploited, this could lead to hackers taking control of user accounts. Chartbrew has since fixed this issue in version 4.8.4.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
depomo	chartbrew	<= 4.8.4	–

Original title

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to version 4.8.4, the application allows uploading files (projec...

Original description

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to version 4.8.4, the application allows uploading files (project logos) without validating the file type or content. It trusts the extension provided by the user. These files are saved to the uploads/ directory and served statically. An attacker can upload an HTML file containing malicious JavaScript. Since authentication tokens are likely stored in localStorage (as they are returned in the API body), this XSS can lead to account takeover. This issue has been patched in version 4.8.4.

nvd CVSS3.1 6.3

Vulnerability type

CWE-79 Cross-site Scripting (XSS)

CWE-434 Unrestricted File Upload