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

Read the record on cve.org

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

CVSSScoreVectorSource
3.17.7 HighCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:HGitHub_M

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
authentikgoauthentik
  • <= 2023.10.5Affected
  • <= 2023.8.5Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.