High severity · published Jan 21, 2020
CVE-2019-18426
WhatsApp Cross-Site Scripting Vulnerability
In wildKEV
8.2
CVSS
67.9%
EPSS
Yes
On KEV
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 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 interaction
Required
Confidentiality
High
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)67.9% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed May 23, 2022
Federal remediation dueJun 13, 2022
Ransomware campaign useNot known
Affected products
Which versions
WD
WhatsApp Desktop · Facebook
0.3.9309; before 0.3.9309 · source: vendor
WH
Whatsapp · Whatsapp
before 0.3.9309; before 2.20.10 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18426
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18426
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
https://www.facebook.com/security/advisories/cve-2019-18426
x_refsource_MISC
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html