WhatsApp Cross-Site Scripting Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jan 21, 2020 · Catalog

   Detected

   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.

2. May 23, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Jun 13, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe whatsapp/whatsappversion unspecified
• vendor Meta Platforms WhatsAppversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2019-18426

  A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.

  cisa.gov
• CVE.orgVulnerability recordCVE-2019-18426

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2019-18426

  30-day exploitation probability 67.9%

  first.org
• Exploit DatabasePublic exploit reference48295

  Public archive entry. The exploit body is not stored here.

  exploit-db.com
• NIST NVDVulnerability recordCVE-2019-18426

  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

  nvd.nist.gov
• Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com

References

• Exploit · packetstormsecurity.com
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov
• Vendor Advisory · facebook.com