Vulnerability Details : CVE-2019-18426
Public exploit exists!
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2019-18426
- cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:whatsapp:whatsapp_for_desktop:*:*:*:*:*:-:*:*
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.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2019-18426
Added on
2022-05-23
Action due date
2022-06-13
Exploit prediction scoring system (EPSS) score for CVE-2019-18426
1.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
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
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-07 |
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
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- cve-assign@fb.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2019-18426
-
http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html
WhatsApp Desktop 0.3.9308 Cross Site Scripting ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://www.facebook.com/security/advisories/cve-2019-18426
FacebookVendor Advisory
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