HomeWhatsappCVE-2019-18426

CVE-2019-18426

HIGH
8.2CVSS
Published: 2020-01-21
Updated: 2025-10-24
AI Analysis

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.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Attack Vector
network
Complexity
low
Privileges
none
User Action
required
Scope
changed
Confidentiality
high
Integrity
low
Availability
none
Weaknesses
CWE-79CWE-79

Metadata

Primary Vendor
WHATSAPP
Published
1/21/2020
Last Modified
10/24/2025
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

whatsapp : whatsappwhatsapp : whatsapp

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Executive Intelligence Brief

CVE-CVE-2019-18426 | HIGH Severity | CVEDatabase.com | CVEDatabase.com