Vulnerability in Tarteaucitron.js Cookie Banner Affects Custom Text Handling
CVE-2025-31475

5.5MEDIUM

Key Information:

Vendor

Amauric

Status
Tarteaucitron.js
Vendor
CVE Published:
7 April 2025

What is CVE-2025-31475?

A vulnerability in the tarteaucitron.js cookie consent banner, versions prior to 1.20.1, allows attackers to exploit the addOrUpdate function due to inadequate input validation. By manipulating this function, an attacker with access to the site's source code or plugin could alter JavaScript object prototypes. This leads to significant security concerns such as data corruption, unforeseen application behavior, or even system crashes. The vulnerability can be particularly damaging, potentially introducing additional security threats depending on the application architecture, highlighting the need for immediate updates to version 1.20.1.

Affected Version(s)

tarteaucitron.js < 1.20.1

References

https://github.com/AmauriC/tarteaucitron.js/security/advi...
x_refsource_CONFIRM
https://github.com/AmauriC/tarteaucitron.js/commit/74c354...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.