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    CVE-2026-120987

    Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.

    Published:Nov 3, 2026
    Last Modified:Nov 3, 2026
    EPS:Nov 3, 2026
    EPSS Score:0.00113
    CVSS Score:

    Affected Products

    Vendor
    Naver
    Product
    Whale Browser

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    Related CVEs

    CVE-2025-69235 (CVSS 7.5) — Whale browser before 4.35.351.12 allows an attacker to bypass the Same-Origin Policy in a sidebar environment.…
    CVE-2025-69234 (CVSS 9.1) — Whale browser before 4.35.351.12 allows an attacker to escape the iframe sandbox in a sidebar environment.…
    CVE-2025-62585 (CVSS 7.5) — Whale browser before 4.33.325.17 allows an attacker to bypass the Content Security Policy via a specific schem…
    CVE-2025-62584 (CVSS 7.5) — Whale browser before 4.33.325.17 allows an attacker to bypass the Same-Origin Policy in a dual-tab environment…
    CVE-2025-62583 (CVSS 9.8) — Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.…
    CVE-2025-53600 (CVSS 7.5) — Whale browser before 4.32.315.22 allow an attacker to bypass the Same-Origin Policy in a dual-tab environment.…
    CVE-2025-53599 (CVSS 9.8) — Whale browser for iOS before 3.9.1.4206 allow an attacker to execute malicious scripts in the browser via a cr…
    CVE-2024-40618 (CVSS 9.6) — Whale browser before 3.26.244.21 allows an attacker to execute malicious JavaScript due to improper sanitizati…
    CVE-2023-25632 (CVSS 5.5) — The Android Mobile Whale browser app before 3.0.1.2 allows the attacker to bypass its browser unlock function …

    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