CVE-2024-21637

    Dashboard / Vulnerabilities / CVE-2024-21637

    CVE-2024-21637

    Published: 11 Jan 2024Last Modified: 12 Aug 2026

    Summary: XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode

    Details: Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with `response_mode=form_post`. This relatively user could use the described attacks to perform a privilege escalation. This vulnerability has been patched in versions 2023.10.6 and 2023.8.6.

    References: https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6, https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6, https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21637.json, https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j, https://nvd.nist.gov/vuln/detail/CVE-2024-21637

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bfa78afd548a41ba7b00adb65aff3ea41b0858e6
    Fixed -2a3d2cd262cf7588506cbcab32f8f5cf0351aba8

    Affected versions

    version/2023.8.5
    version/2023.8.4
    version/2023.8.3
    version/2023.8.2
    version/2023.8.1
    version/2023.8.0

    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
    CVE-2024-21637 | CVE-DB