CVE-2026-113355— Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links
Quick assessment
Affected
chatwoot chatwoot
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 4.14.0 版本之前的 Chatwoot 中存在一个存储型跨站脚本（Stored XSS）漏洞。该漏洞允许账户管理员通过在帮助中心文章中构造视频嵌入链接，注入 JavaScript 代码。攻击者可以利用包含尖括号并以双引号结尾的链接目标，突破 函数中未转义的 属性，从而在公共访客的浏览器中执行恶意脚本，窃取 组件的令牌。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-113355
Vulnerability Information
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Vulnerability Title
Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links
Source: CVE Program / CVE List V5
Vulnerability Description
Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-113355
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Patches & Fixes for CVE-2026-113355 (2)
Vendor Advisories for CVE-2026-113355 (1)
Proof of Concept for CVE-2026-113355 (1)
Vendor Pages for CVE-2026-113355 (1)
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🔗 Release v4.14.0 · chatwoot/chatwoot · GitHub release-notes
IV. Related Vulnerabilities
Same product: chatwoot
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CVE-2026-92527
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CVE-2026-63765
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Chatwoot: Pre-Account Takeover via OAuth on Unconfirmed Acco -
CVE-2026-44706
Chatwoot: SQL Injection in Conversation/Contact Filter API v
Same vendor: chatwoot
-
CVE-2026-72719
Chatwoot: Cross-Account Resource Transfer via `account_id` P -
CVE-2026-63765
Chatwoot < 4.16.0 Unauthenticated ActiveStorage Direct Uploa -
CVE-2026-44707
Chatwoot: Pre-Account Takeover via OAuth on Unconfirmed Acco -
CVE-2026-44706
Chatwoot: SQL Injection in Conversation/Contact Filter API v -
CVE-2024-0640
Stored XSS in chatwoot/chatwoot
Same weakness: CWE-79
V. Comments for CVE-2026-113355
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