{"id":"CVE-2020-5237","aliases":["GHSA-x8wj-6m73-gfqp"],"url":"https://o3.security/vulnerability/CVE-2020-5237","summary":"Relative Path Traversal (CWE-23) in chunked uploads in oneup/uploader-bundle","details":"Multiple relative path traversal vulnerabilities in the oneup/uploader-bundle before 1.9.3 and 2.1.5 allow remote attackers to upload, copy, and modify files on the filesystem (potentially leading to arbitrary code execution) via the (1) filename parameter to BlueimpController.php; the (2) dzchunkindex, (3) dzuuid, or (4) filename parameter to DropzoneController.php; the (5) qqpartindex, (6) qqfilename, or (7) qquuid parameter to FineUploaderController.php; the (8) x-file-id or (9) x-file-name parameter to MooUploadController.php; or the (10) name or (11) chunk parameter to PluploadController.php. This is fixed in versions 1.9.3 and 2.1.5.","published":"2020-02-05T14:15:11.527Z","modified":"2026-07-09T00:37:46.753717Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"oneup/uploader-bundle","fixedVersion":"2.1.5"},{"ecosystem":"Packagist","name":"oneup/uploader-bundle","fixedVersion":"1.9.3"}],"fix":{"url":"https://github.com/1up-lab/OneupUploaderBundle/commit/a6011449b716f163fe1ae323053077e59212350c","label":"1up-lab/OneupUploaderBundle@a601144"},"references":[{"type":"ADVISORY","url":"https://github.com/1up-lab/OneupUploaderBundle/security/advisories/GHSA-x8wj-6m73-gfqp"},{"type":"FIX","url":"https://github.com/1up-lab/OneupUploaderBundle/commit/a6011449b716f163fe1ae323053077e59212350c"},{"type":"EVIDENCE","url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-003.txt"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:37:46.753717Z"}}