CVE-2019-18426

8.2 HIGH CISA KEV - Actively Exploited
Published: January 21, 2020 Modified: October 24, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html
Source: cve-assign@fb.com
Exploit Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-18426
Source: cve-assign@fb.com
Vendor Advisory
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-18426
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.2 / 10.0
EPSS (Exploit Probability)
54.4%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-06-13

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

whatsapp

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