CVE-2024-50344: I, Librarian has a Stored XSS vulnerability in Supplemental Files

First published: Wed Oct 30 2024(Updated: )

I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.

Credit: security-advisories@github.com

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