Unrated severityNVD Advisory· Published Jan 11, 2024· Updated Jun 17, 2025
XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode
CVE-2024-21637
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.
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Affected products
3Patches
Vulnerability mechanics
References
3- github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6mitrex_refsource_MISC
- github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6mitrex_refsource_MISC
- github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3jmitrex_refsource_CONFIRM
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