CVE-2024-21637
XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode
- State
- Published
- Severity
- 7.7 High
- Published
- Jan 11, 2024
- Updated
- Jun 17, 2025
- Reserved
- Dec 29, 2023
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H | GitHub_M |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
authentikgoauthentik |
|
References
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