{"id":"CVE-2023-26961","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26961","generatedAt":"2026-10-25T05:01:11.875Z","title":"This vulnerability allows attackers to upload arbitrary files (e.g., JavaScript content for stored XSS) via the type field in a JSON document within a PUT /gallery/api/media request.","description":"Alteryx Server 2022.1.1.42590 does not employ file type verification for uploaded files. This vulnerability allows attackers to upload arbitrary files (e.g., JavaScript content for stored XSS) via the type field in a JSON document within a PUT /gallery/api/media request.","published":"2023-08-08T20:15:10.000Z","lastModified":"2026-07-09T01:18:11.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["alteryx/alteryx server"],"epss":{"score":0.0048,"percentile":0.40488,"date":"2026-10-24","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gist.github.com/DylanGrl/4269ae834c5d0ec77c9b928ad35d3be3","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/DylanGrl/4269ae834c5d0ec77c9b928ad35d3be3","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26961","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}