CVE-2025-48939: tarteaucitron.js vulnerable to DOM Clobbering via document.currentScript

A vulnerability was identified in tarteaucitron.js where document.currentScript was accessed without verifying that it referenced an actual <script> element. If an attacker injected an HTML element such as:

<img name="currentScript" src="https://malicious.example.com">

it could clobber the document.currentScript property. This causes the script to resolve incorrectly to an element instead of the tag, leading to unexpected behavior or failure to load the script path correctly.

This issue arises because in some browser environments, named DOM elements (e.g., name=“currentScript”) become properties on the global document object.