CVE-2019-18426

criticalknown exploitedpublic exploitcovered by 1 sourcefirst seen 2022-05-23

Actively exploited. CVE-2019-18426 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Public exploit code is available. Proof-of-concept or working exploit code for CVE-2019-18426 is indexed in Exploit-DB and GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.

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

CSIRTS triage

What: A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Who is affected: Users of WhatsApp Desktop paired with WhatsApp for iPhone.
Urgency: Remediation is urgent due to active exploitation and critical severity.
Action: Update to the latest version of WhatsApp Desktop.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.

Exploit availability

Public exploit or proof-of-concept code for CVE-2019-18426 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗

Advisory coverage (1)

criticalexploitedCVE-2019-18426: WhatsApp Cross-Site Scripting Vulnerabilitycisa-kev · 2022-05-23

External references

NVD record for CVE-2019-18426

CVE.org record

CISA KEV catalog

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