{"id":"CVE-2018-12940","aliases":["EUVD-2018-4893","GHSA-8gcf-w7r4-3qhx"],"status":"published","title":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS...","description":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the \"qqfile\" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02509,"percentile":0.84866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2018-07-31T14:00:00Z","modified":"2026-06-17T01:38:37Z","products":[{"vendor":"seeddms","product":"seeddms"}],"references":[{"url":"https://www.contextis.com/resources/advisories/cve-2018-12940","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12940"},{"url":"https://github.com/advisories/GHSA-8gcf-w7r4-3qhx"}],"sources":{"cve":[{"id":"CVE-2018-12940","description":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the \"qqfile\" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.","status":"published","published":"2018-07-31T14:00:00Z","modified":"2024-08-05T08:52:49.225Z","updated_at":"2026-11-02T14:35:06.679212Z"}],"euvd":[{"id":"EUVD-2018-4893","description":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the \"qqfile\" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.","status":"published","published":"2018-07-31T14:00:00Z","modified":"2024-08-05T08:52:49Z","updated_at":"2026-11-03T02:39:51.126842Z"}],"ghsa":[{"id":"GHSA-8gcf-w7r4-3qhx","title":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS...","description":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the \"qqfile\" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.","status":"published","published":"2022-05-14T02:57:58Z","modified":"2023-02-02T05:06:57Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:52:24.271651Z"}],"nvd":[{"id":"CVE-2018-12940","description":"Unrestricted file upload vulnerability in \"op/op.UploadChunks.php\" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the \"qqfile\" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.","status":"published","published":"2018-07-31T14:29:00.497Z","modified":"2026-06-17T01:38:37.05Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:04:35.310988Z"}]}}