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CVE-2025-31138GHSA-7524-3396-FQV3

tarteaucitron.js allows UI manipulation via unrestricted CSS injection

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.20.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where user-controlled inputs for element dimensions (width and height) were not properly validated. This allowed an attacker with direct access to the site's source code or a CMS plugin to set values like 100%;height:100%;position:fixed;, potentially covering the entire viewport and facilitating clickjacking attacks. An attacker with high privileges could exploit this vulnerability to overlay malicious UI elements on top of legitimate content, trick users into interacting with hidden elements (clickjacking), or disrupt the intended functionality and accessibility of the website. This vulnerability is fixed in 1.20.1.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • AmauriC tarteaucitron.js

    fixed in 1.20.1

  • tarteaucitronjsnpm

    fixed in 1.20.1

References 2

GitHub · AmauriC/tarteaucitron.js