CVE-2019-18426

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.

CVSS v3 8.2 HIGH
CVSS v2.0 5.8 MEDIUM

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html	Exploit Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-18426	Vendor Advisory
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html	Exploit Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-18426	Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:whatsapp:whatsapp:::::desktop:::*
	cpe:2.3:a:whatsapp:whatsapp::::::iphone_os::*

History

No history.

Information

Published : 2020-01-21 21:15

Updated : 2025-10-24 14:27

NVD link : CVE-2019-18426

Mitre link : CVE-2019-18426

CVE.ORG link : CVE-2019-18426

JSON object : View

Products Affected

whatsapp

whatsapp

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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