{"id":"GHSA-8r5j-22j5-w4cm","aliases":["CVE-2021-26642"],"title":"XpressEngine vulnerable to Unrestricted Upload of File with Dangerous Type","description":"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.","severity":"critical","score":9.8,"published":"2023-01-20T18:30:22.000Z","modified":"2023-11-08T04:05:21.787Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"xpressengine/xpressengine","ranges":[{"events":[{"introduced":"0"},{"fixed":"3.0.15"}],"type":"ECOSYSTEM"}],"versions":["3.0.0","3.0.0-beta","3.0.0-beta.10","3.0.0-beta.11","3.0.0-beta.12","3.0.0-beta.13","3.0.0-beta.14","3.0.0-beta.15","3.0.0-beta.16","3.0.0-beta.17","3.0.0-beta.18","3.0.0-beta.19","3.0.0-beta.2","3.0.0-beta.20","3.0.0-beta.21","3.0.0-beta.22","3.0.0-beta.23","3.0.0-beta.24","3.0.0-beta.25","3.0.0-beta.26","3.0.0-beta.27","3.0.0-beta.28","3.0.0-beta.29","3.0.0-beta.3","3.0.0-beta.30","3.0.0-beta.4","3.0.0-beta.5","3.0.0-beta.6","3.0.0-beta.7","3.0.0-beta.8","3.0.0-beta.9","3.0.0-rc.1","3.0.0-rc.2","3.0.0-rc.3","3.0.0-rc.4","3.0.0-rc.5","3.0.0-rc.6","3.0.0-rc.7","3.0.0-rc.8","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9"],"fixed":["3.0.15"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-26642","https://github.com/xpressengine/xpressengine/issues/1366","https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"],"sources":[{"name":"OSV","id":"GHSA-8r5j-22j5-w4cm","modified":"2023-11-08T04:05:21.787797Z","url":"https://osv.dev/vulnerability/GHSA-8r5j-22j5-w4cm"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}]}