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CVE-2019-18426

Quick assessment

Affected
Facebook WhatsApp Desktop
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 Facebook WhatsApp（桌面版）0.3.9309之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

AI Predicted 6.5 Difficulty: Easy KEV EPSS 67.86% · P99

Public Exploits 1

ExploitDB · 1 EDB-48295 [webapps]
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I. Basic Information for CVE-2019-18426

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Facebook WhatsApp 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 Facebook WhatsApp（桌面版）0.3.9309之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Facebook WhatsApp Desktop 0.3.9309 -

II. Public POCs for CVE-2019-18426

# POC Description Source Link Shenlong Link
1 None https://github.com/PerimeterX/CVE-2019-18426 POC Details
2 None https://github.com/HumanSecurity/CVE-2019-18426 POC Details
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III. Intelligence Information for CVE-2019-18426

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Exploits & Public PoCs for CVE-2019-18426 (1)

Other References for CVE-2019-18426 (1)

IV. Related Vulnerabilities

Same product: WhatsApp Desktop
Same vendor: Facebook
Same weakness: CWE-79

V. Comments for CVE-2019-18426

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