CVE-2024-21637CWE-79

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

High · published January 11, 2024

CVSS v3.1
7.7
EPSS
1%
Percentile
45.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00547 · 45.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2024-01-11T05:49Z
EPSS history
Timeline
  • 11 JAN 05:49Z
    XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode
    cvelistv5