CVE-2025-48939
tarteaucitron.js vulnerable to DOM Clobbering via document.currentScript
Impact
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 <img> element instead of the <script> 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. ## Impact An attacker with control over the HTML could exploit this to change the CDN domain of tarteaucitron. ## Fix https://github.com/AmauriC/tarteaucitron.js/commit/230a3b69d363837acfa895823d841e0608826ba3 The issue was resolved by verifying that document.currentScript is an instance of HTMLScriptElement. If not, the script now falls back safely to the last <script> tag on the page.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | tarteaucitronjs | < 1.22.0 | 1.22.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amauri | Tarteaucitronjs | before 1.22.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/AmauriC/tarteaucitron.js/commit/230a3b69d363837acfa895823d841e0608826ba3
- https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-q43x-79jr-cq98
- https://github.com/advisories/GHSA-q43x-79jr-cq98
- https://nvd.nist.gov/vuln/detail/CVE-2025-48939