{"id":"CVE-2021-26642","aliases":["EUVD-2023-0413","GHSA-8r5j-22j5-w4cm"],"status":"published","title":"XpressEngine file upload vulnerability","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. 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A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T16:59:58.376Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2023-0413","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.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T16:59:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:43.340305Z"}],"ghsa":[{"id":"GHSA-8r5j-22j5-w4cm","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.","status":"published","published":"2023-01-20T18:30:22Z","modified":"2023-02-08T17:57:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:36:44.81167Z"}],"nvd":[{"id":"CVE-2021-26642","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. 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A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.","status":"published","published":"2023-01-20T17:15:10.3Z","modified":"2026-10-24T10:30:17.215077591Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-8r5j-22j5-w4cm","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.","status":"published","published":"2023-01-20T18:30:22Z","modified":"2023-11-08T04:05:21.787797Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}