CVE-2019-18426: WhatsApp Cross-Site Scripting Vulnerability
High · CVSS 8.2 (CVSS 3.1)KEV known exploitedEPSS 67.9%, 99th percentilePublished Updated Assigner: facebook
In CISA’s Known Exploited Vulnerabilities catalog: WhatsApp Cross-Site Scripting Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N · CWE-79
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Facebook: WhatsApp Desktop
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html (opens in new tab)
- www.facebook.com/security/advisories/cve-2019-18426 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)