{"id":"CVE-2018-12940","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-12940","generatedAt":"2026-10-29T01:45:53.192Z","title":"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.","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.","published":"2018-07-31T14:29:00.000Z","lastModified":"2026-06-17T01:38:37.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["seeddms/seeddms"],"epss":{"score":0.02509,"percentile":0.84673,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.contextis.com/resources/advisories/cve-2018-12940","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.contextis.com/resources/advisories/cve-2018-12940","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12940","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}