{"id":"CVE-2021-26642","details":"When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.","aliases":["GHSA-8r5j-22j5-w4cm"],"modified":"2026-07-08T22:13:35.594528Z","published":"2023-01-20T17:15:10.300Z","references":[{"type":"ADVISORY","url":"https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/xpressengine/xpressengine","events":[{"introduced":"0"},{"fixed":"abca5d94002233ed8cd5f893d5f19b2824d6eefc"}],"database_specific":{"cpe":"cpe:2.3:a:xpressengine:xpressengine:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.0.14"}],"source":"CPE_RANGE"}}],"versions":["3.0.12","3.0.10","3.0.8","3.0.7","3.0.6","3.0.4","3.0.2","3.0.0-rc.8","3.0.0-rc.6","3.0.0-rc.4","3.0.0-rc.3","3.0.0-rc.1","3.0.0-beta.30","3.0.0-beta.29","3.0.0-beta.28","3.0.0-beta.27","3.0.0-beta.26","3.0.0-beta.25","3.0.0-beta.24","3.0.0-beta.22","3.0.0-beta.20","3.0.0-beta.19","3.0.0-beta.18","3.0.0-beta.17","3.0.0-beta.14","3.0.0-beta.13","3.0.0-beta.11","3.0.0-beta.3","3.0.0-beta.2","3.0.0-beta","3.0.0-dev5","3.0.0-dev4","3.0.0-dev3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26642.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}