CVE-2018-8899

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    CVE-2018-8899

    Published: 22 Mar 2018Last Modified: 27 Aug 2026

    Summary:

    Details: IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.

    References: https://github.com/IdentityServer/IdentityServer4/releases/tag/1.5.3, https://github.com/IdentityServer/IdentityServer4/releases/tag/2.1.3, https://github.com/IdentityServer/IdentityServer4/issues/2164, https://github.com/IdentityServer/IdentityServer4/commit/21d0da227f50ac102de469a13bc5a15d2cc0f895

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 62eea365e8835323230c32eff6ec9b7b78cc1be0
    Fixed -None

    Affected versions

    2.1.2
    2.1.1
    2.1.0

    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