{"id":"CVE-2021-40940","aliases":["EUVD-2021-28094","GHSA-rf4j-5wqh-fgfx"],"status":"published","title":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload...","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","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":"2026-11-09","score":0.01659,"percentile":0.7681,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2022-06-15T16:28:43Z","modified":"2026-10-20T10:54:56Z","products":[{"vendor":"monstra","product":"monstra"}],"references":[{"url":"https://github.com/monstra-cms/monstra/issues/471","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40940"},{"url":"https://github.com/advisories/GHSA-rf4j-5wqh-fgfx"}],"sources":{"cve":[{"id":"CVE-2021-40940","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","status":"published","published":"2022-06-15T16:28:43Z","modified":"2024-08-04T02:59:30.375Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-28094","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","status":"published","published":"2022-06-15T16:28:43Z","modified":"2024-08-04T02:59:30Z","updated_at":"2026-11-03T03:24:19.242491Z"}],"ghsa":[{"id":"GHSA-rf4j-5wqh-fgfx","title":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload...","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","status":"published","published":"2022-06-16T00:00:22Z","modified":"2023-01-27T05:04:44Z","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":"2026-11-02T14:42:32.175612Z"}],"nvd":[{"id":"CVE-2021-40940","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","status":"published","published":"2022-06-15T17:15:08.573Z","modified":"2026-06-17T04:07:39.48Z","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":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"CVE-2021-40940","description":"Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.","status":"published","published":"2022-06-15T17:15:08.573Z","modified":"2026-10-20T10:54:56.809227194Z","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":"2026-11-02T15:44:21.249056Z"}]}}