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.
Published 2020-01-21 21:15:16
Updated 2023-01-31 20:06:44
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

CVE-2019-18426 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
WhatsApp Cross-Site Scripting Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Added on 2022-05-23 Action due date 2022-06-13

Exploit prediction scoring system (EPSS) score for CVE-2019-18426

0.94%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-18426

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
NIST
8.2
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
2.8
4.7
NIST

CWE ids for CVE-2019-18426

References for CVE-2019-18426

Products affected by CVE-2019-18426

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