{"id":"CVE-2021-26740","aliases":["EUVD-2021-13527","GHSA-2599-8x3f-96mc"],"status":"published","title":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to...","description":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to execute arbitrary code.","severity":{"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","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01603,"percentile":0.76039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-11-01T15:32:01Z","modified":"2026-06-17T03:43:45Z","products":[{"vendor":"doyocms_project","product":"doyocms"}],"references":[{"url":"https://github.com/millken/doyocms/issues/4","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26740"},{"url":"https://github.com/advisories/GHSA-2599-8x3f-96mc"}],"sources":{"cve":[{"id":"CVE-2021-26740","description":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to execute arbitrary code.","status":"published","published":"2021-11-01T15:32:01Z","modified":"2024-08-03T20:33:40.816Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13527","description":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to execute arbitrary code.","status":"published","published":"2021-11-01T15:32:01Z","modified":"2024-08-03T20:33:40Z","updated_at":"2026-11-03T03:24:50.84326Z"}],"ghsa":[{"id":"GHSA-2599-8x3f-96mc","title":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to...","description":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to execute arbitrary code.","status":"published","published":"2022-05-24T19:19:15Z","modified":"2023-01-30T05:03:32Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-26740","description":"Arbitrary file upload vulnerability sysupload.php in millken doyocms 2.3 allows attackers to execute arbitrary code.","status":"published","published":"2021-11-01T16:15:07.59Z","modified":"2026-06-17T03:43:45.66Z","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","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}