CVE-2019-18426 KEV EXPLOIT
8.2
HIGH · CVSS 3.1 · EPSS 67.9% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-06-13.
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.
Scoring
| CVSS | 8.2 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N |
| EPSS | 67.86% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | yes — remediate by 2022-06-13 |
| Public exploit | yes |
| Published | 2020-01-21 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | WhatsApp Cross-Site Scripting Vulnerability |
|---|---|
| Added | 2022-05-23 |
| Due | 2022-06-13 |
| Vendor / product | Meta Platforms / WhatsApp |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WhatsApp Desktop 0.3.9308 - Persistent Cross-Site Scripting | 2020-04-06 |
References
- http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html
- https://www.facebook.com/security/advisories/cve-2019-18426
- http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html
- https://www.facebook.com/security/advisories/cve-2019-18426
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426
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