要点
- CVE-2025-31138 は tarteaucitronjs (amauri), tarteaucitronjs に影響する深刻度「中」 (CVSS 6.6) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.27%（全脆弱性の 19.4% より高い）。
- 対処：1.20.1 以降に更新してください。
概要
A vulnerability was identified in tarteaucitron.js, 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.
Impact
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),
- Disrupt the intended functionality and accessibility of the website.
The issue was resolved by enforcing strict validation and sanitization of user-provided CSS values to prevent unintended UI manipulation.
NVD の説明
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.
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