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express-xss-sanitizer@1.0.0 vulnerabilities

Express 4.x middleware which sanitizes user input data (in req.body, req.query, req.headers and req.params) to prevent Cross Site Scripting (XSS) attack.

  • latest version

    1.2.1

  • latest non vulnerable version

    1.2.1

  • first published

    4 years ago

  • latest version published

    1 months ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the express-xss-sanitizer package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • H
    Prototype Pollution

    express-xss-sanitizer is an Express 4.x middleware which sanitizes user input data (in req.body, req.query, req.headers and req.params) to prevent Cross Site Scripting (XSS) attack.

    Affected versions of this package are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.

    How to fix Prototype Pollution?

    Upgrade express-xss-sanitizer to version 1.1.3 or higher.

    <1.1.3
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