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    CVE-2022-21169

    The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.

    Published:Sep 26, 2022
    Last Modified:May 21, 2025
    EPS:Sep 26, 2022
    EPSS Score:0.00082
    CVSS Score:7.3

    Affected Products

    Vendor
    Express Xss Sanitizer Project
    Product
    Express Xss Sanitizer

    Exploits

    https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443

    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