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    CVE-2020-7965

    flaskparser.py in Webargs 5.x through 5.5.2 doesn't check that the Content-Type header is application/json when receiving JSON input. If the request body is valid JSON, it will accept it even if the content type is application/x-www-form-urlencoded. This allows for JSON POST requests to be made across domains, leading to CSRF.

    Published:Jan 29, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 29, 2020
    EPSS Score:0.00167
    CVSS Score:8.8

    Affected Products

    Vendor
    Webargs Project
    Product
    Webargs

    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