CVE-2026-111714— tarteaucitron.js before 1.37.0 ReDoS via Unescaped Cookie Name in cookie.purge
Quick assessment
Affected
AmauriC tarteaucitron.js
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 1.37.0 版本之前的 tarteaucitron.js 存在正则表达式拒绝服务（ReDoS）漏洞。攻击者可通过向 函数提供未转义的 Cookie 名称，导致访客页面被阻塞。攻击者可从同级子域植入 Cookie，或注入一个带有灾难性回溯（catastrophic backtracking）的 属性的 元素；当用户点击该清除按钮时，页面将因此冻结。
Possible ATT&CK Techniques 1 AI
T1562.007Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AmauriC | tarteaucitron.js | < 1.37.0 |
affected |
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I. Basic Information for CVE-2026-111714
Vulnerability Information
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Vulnerability Title
tarteaucitron.js before 1.37.0 ReDoS via Unescaped Cookie Name in cookie.purge
Source: CVE Program / CVE List V5
Vulnerability Description
tarteaucitron.js before 1.37.0 contains a regular expression denial of service vulnerability that allows attackers to block visitor pages by supplying unescaped cookie names to cookie.purge. Attackers can plant a cookie from a sibling subdomain or inject a purgeBtn element with a catastrophic-backtracking data-cookie pattern that freezes the page when the purge button is clicked.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AmauriC | tarteaucitron.js | 0 ~ 1.37.0 | - |
|
II. Public POCs for CVE-2026-111714
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-111714 (1)
Vendor Advisories for CVE-2026-111714 (1)
Vendor Pages for CVE-2026-111714 (1)
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🔗 Release v1.37.0 · AmauriC/tarteaucitron.js · GitHub release-notes
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V. Comments for CVE-2026-111714
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