CVE-2025-31475— tarteaucitron.js allows prototype pollution via custom text injection
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I. Basic Information for CVE-2025-31475
Vulnerability Information
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Vulnerability Title
tarteaucitron.js allows prototype pollution via custom text injection
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
tarteaucitron.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tarteaucitron.js是Amauri CHAMPEAUX个人开发者的一个 cookie 管理器。 tarteaucitron.js 1.20.1之前版本存在安全漏洞，该漏洞源于addOrUpdate函数输入验证不足，可能导致原型污染。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AmauriC | tarteaucitron.js | < 1.20.1 | - |
II. Public POCs for CVE-2025-31475
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AmauriC · 2025-04-07 · 3 CVEs total
| CVE-2025-31138 | 5.5 MEDIUM | tarteaucitron.js allows UI manipulation via unrestricted CSS injection |
| CVE-2025-31476 | 4.8 MEDIUM | tarteaucitron.js allows url scheme injection via unfiltered inputs |
IV. Related Vulnerabilities
Same product: tarteaucitron.js
Same vendor: AmauriC
- CVE-2026-22809
tarteaucitron.js has Regular Expression Denial of Service (R - CVE-2025-48939
tarteaucitron.js vulnerable to DOM Clobbering via document.c - CVE-2025-31476
tarteaucitron.js allows url scheme injection via unfiltered - CVE-2025-31138
tarteaucitron.js allows UI manipulation via unrestricted CSS - CVE-2024-13888
WPMobile.App <= 11.56 - Open Redirect via 'redirect' Paramet
Same weakness: CWE-1321
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42232
n8n: XML Node Prototype Pollution to RCE - CVE-2026-42231
n8n: Prototype Pollution in XML Webhook Body Parser Leads to - CVE-2026-42077
Evolver: Prototype Pollution via `Object.assign()` in mailbo - CVE-2026-42033
Axios: Prototype Pollution Gadgets - Response Tampering, Dat
V. Comments for CVE-2025-31475
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