GHSA-grjp-4jmr-mjcw

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    GHSA-grjp-4jmr-mjcw

    Published: 27 Sept 2022Last Modified: 8 Nov 2023

    Summary: express-xss-sanitizer vulnerable to Prototype Pollution via allowedTags attribute

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

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-21169, https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4, https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a, https://github.com/AhmedAdelFahim/express-xss-sanitizer, https://runkit.com/embed/w306l6zfm7tu, https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443

    Affected packages

    Package

    Name: express-xss-sanitizer

    Purl: pkg:npm/express-xss-sanitizer

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.1.3

    Affected versions

    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
    GHSA-grjp-4jmr-mjcw | CVE-DB