CVE-2024-21637

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

CVSS 7.7 HIGHEPSS 0.5%CWE-79

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.

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Affected products

goauthentik · authentik

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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/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j