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    CVE-2021-47837

    Markdownify 1.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload crafted markdown files with embedded scripts that execute when the file is opened, potentially enabling remote code execution.

    Published:Jan 16, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 16, 2026
    EPSS Score:0.00038
    CVSS Score:7.2

    Affected Products

    Vendor
    Amitmerchant1990
    Product
    Markdownify
    Vendor
    Matthewwithanm
    Product
    Markdownify

    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