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    CVE-2026-40451

    DeepL Chrome browser extension versions from v1.22.0 to v.1.23.0 contain a cross-site scripting vulnerability, which allows an attacker to execute arbitrary script in a user's browser, and inject malicious HTML into web pages viewed by the user.

    Published:Apr 22, 2026
    Last Modified:Apr 22, 2026
    EPS:Apr 22, 2026
    EPSS Score:0.00031
    CVSS Score:6.1

    Affected Products

    Vendor
    Deepl
    Product
    Chrome Browser Extension

    Exploits

    No exploit reference

    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