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CVE-2025-8349— Cross-Site Scripting (XSS) stored in Tawk Live Chat

Quick assessment

Affected
Tawk Live Chat
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.

tawk.to Tawk Live Chat是美国tawk.to公司的一款在线聊天软件。 Tawk Live Chat存在跨站脚本漏洞，该漏洞源于存储PDF文件时未正确清理JavaScript代码，可能导致存储型跨站脚本攻击。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.50% · P41
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I. Basic Information for CVE-2025-8349

Vulnerability Information
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Vulnerability Title
Cross-Site Scripting (XSS) stored in Tawk Live Chat
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site Scripting (XSS) stored vulnerability in Tawk Live Chat. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by uploading a malicious PDF with JavaScript payload through the chatbot. The PDF is stored by the application and subsequently displayed without proper sanitisation when other users access it. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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
Vulnerability Title
Tawk Live Chat 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tawk.to Tawk Live Chat是美国tawk.to公司的一款在线聊天软件。 Tawk Live Chat存在跨站脚本漏洞，该漏洞源于存储PDF文件时未正确清理JavaScript代码，可能导致存储型跨站脚本攻击。
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
Tawk Live Chat 0 ~ * -

II. Public POCs for CVE-2025-8349

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III. Intelligence Information for CVE-2025-8349

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IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2025-8349

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