Vulnerability Description
tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where the addOrUpdate function, used for applying custom texts, did not properly validate input. This allowed an attacker with direct access to the site's source code or a CMS plugin to manipulate JavaScript object prototypes, leading to potential security risks such as data corruption or unintended code execution. An attacker with high privileges could exploit this vulnerability to modify object prototypes, affecting core JavaScript behavior, cause application crashes or unexpected behavior, or potentially introduce further security vulnerabilities depending on the application's architecture. This vulnerability is fixed in 1.20.1.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amauri | Tarteaucitronjs | < 1.20.1 |
Related Weaknesses (CWE)
References
- https://github.com/AmauriC/tarteaucitron.js/commit/74c354c413ee3f82dff97a15a0a43Patch
- https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-4hwx-xcc5-2Vendor Advisory
FAQ
What is CVE-2025-31475?
CVE-2025-31475 is a vulnerability with a CVSS score of 5.5 (MEDIUM). tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where the addOrUpdate function, used for applying custom texts, did no...
How severe is CVE-2025-31475?
CVE-2025-31475 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-31475?
Check the references section above for vendor advisories and patch information. Affected products include: Amauri Tarteaucitronjs.