CVE Feed

    Dashboard / CVE / CVE-2019-18426

    CVE-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 message.

    Published:Jan 21, 2020
    Last Modified:Oct 24, 2025
    EPS:Jan 21, 2020
    EPSS Score:0.51739
    CVSS Score:8.2

    CISA Notification

    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.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Jun 13, 2022
    1551 days ago
    Alert Date
    May 23, 2022
    1572 days ago

    Affected Products

    Vendor
    Whatsapp
    Product
    Whatsapp

    Exploits

    http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.htmlhttp://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.htmlhttps://www.exploit-db.com/exploits/48295https://github.com/HumanSecurity/CVE-2019-18426

    Related CVEs

    CVE-2026-23866 (CVSS 4.3) — Incomplete validation of AI rich response messages for Instagram Reels in WhatsApp for iOS v2.25.8.0 to v2.26.…
    CVE-2026-23863 (CVSS 6.5) — An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed mal…
    CVE-2025-55179 (CVSS 5.4) — Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business fo…
    CVE-2025-55177 (CVSS 5.4) — Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, W…
    CVE-2025-30401 (CVSS 6.7) — A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MI…
    CVE-2023-38538 (CVSS 5) — A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls tha…
    CVE-2023-38537 (CVSS 5.6) — A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilen…
    CVE-2022-27492 (CVSS 7.8) — An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.…
    CVE-2022-36934 (CVSS 9.8) — An integer overflow in WhatsApp could result in remote code execution in an established video call.…
    CVE-2020-20096 (CVSS 6.5) — Whatsapp iOS 2.19.80 and prior and Android 2.19.222 and prior user interface does not properly represent URI m…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High