Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-04-16 23:36

Modified

2026-04-17 00:10

Summary

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

Details

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.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "authentik",
        "purl": "pkg:bitnami/authentik"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2023.8.0"
            },
            {
              "fixed": "2023.8.6"
            },
            {
              "introduced": "2023.10.0"
            },
            {
              "fixed": "2023.10.6"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-21637"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-authentik-2024-21637",
  "modified": "2026-04-17T00:10:47.507Z",
  "published": "2026-04-16T23:36:10.878Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21637"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode"
}

CVE-2024-21637 (GCVE-0-2024-21637)

Vulnerability from cvelistv5 – Published: 2024-01-11 05:49 – Updated: 2025-06-17 21:09

Title

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

Summary

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.

Severity ?

7.7 (High)


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

CWE

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

Assigner

GitHub_M

References

URL

Tags

	https://github.com/goauthentik/authentik/security…	x_refsource_CONFIRM
	https://github.com/goauthentik/authentik/releases…	x_refsource_MISC
	https://github.com/goauthentik/authentik/releases…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	goauthentik	authentik	Affected: <= 2023.10.5 Affected: <= 2023.8.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T22:27:36.087Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j"
          },
          {
            "name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6"
          },
          {
            "name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-21637",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-11T15:41:43.872045Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-17T21:09:15.907Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "authentik",
          "vendor": "goauthentik",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2023.10.5"
            },
            {
              "status": "affected",
              "version": "\u003c= 2023.8.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-11T05:49:44.123Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j"
        },
        {
          "name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6"
        },
        {
          "name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"
        }
      ],
      "source": {
        "advisory": "GHSA-rjpr-7w8c-gv3j",
        "discovery": "UNKNOWN"
      },
      "title": "XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-21637",
    "datePublished": "2024-01-11T05:49:44.123Z",
    "dateReserved": "2023-12-29T03:00:44.957Z",
    "dateUpdated": "2025-06-17T21:09:15.907Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2024-21637 (GCVE-0-2024-21637)

Tags

Sightings

Nomenclature