{"id":"CVE-2024-21637","state":"PUBLISHED","title":"XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode","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.","publishedAt":"2024-01-11T05:49:44.123Z","updatedAt":"2025-06-17T21:09:15.907Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["goauthentik authentik"],"affected":[{"vendor":"goauthentik","product":"authentik","versions":[{"version":"<= 2023.10.5","status":"affected"},{"version":"<= 2023.8.5","status":"affected"}]}],"references":["https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j","https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6","https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:59.846Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/21xxx/CVE-2024-21637.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-21637","state":"PUBLISHED","datePublished":"2024-01-11T05:49:44.123Z","dateUpdated":"2025-06-17T21:09:15.907Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-12-29T03:00:44.957Z"},"containers":{"cna":{"title":"XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode","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."}],"affected":[{"vendor":"goauthentik","product":"authentik","versions":[{"version":"<= 2023.10.5","status":"affected"},{"version":"<= 2023.8.5","status":"affected"}]}],"references":[{"url":"https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j","name":"https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6","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%2F2023.8.6","name":"https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6","tags":["x_refsource_MISC"]}],"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","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-01-11T05:49:44.123Z"},"source":{"advisory":"GHSA-rjpr-7w8c-gv3j","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j","name":"https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6","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%2F2023.8.6","name":"https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T22:27:36.087Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-21637","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-01-11T15:41:43.872045Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-17T21:09:15.907Z"}}]}}}