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    CVE-2023-1767

    The Snyk Advisor website (https://snyk.io/advisor/) was vulnerable to a stored XSS prior to 28th March 2023. A feature of Snyk Advisor is to display the contents of a scanned package's Readme on its package health page. An attacker could create a package in NPM with an associated markdown README file containing XSS-able HTML tags. Upon Snyk Advisor importing the package, the XSS would run each time an end user browsed to the package's page on Snyk Advisor.

    Published:Apr 20, 2023
    Last Modified:Feb 5, 2025
    EPS:Apr 20, 2023
    EPSS Score:0.031
    CVSS Score:4.3

    Affected Products

    Vendor
    Snyk
    Product
    Advisor

    Exploits

    https://weizman.github.io/2023/04/10/snyk-xss/https://weizman.github.io/2023/04/10/snyk-xss/https://github.com/weizman/CVE-2023-1767

    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