{"id":"CVE-2017-18048","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-18048","generatedAt":"2026-10-29T01:53:44.316Z","title":"Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.","description":"Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.","published":"2018-01-23T06:29:00.000Z","lastModified":"2026-06-17T01:12:06.000Z","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":["monstra/monstra"],"epss":{"score":0.63355,"percentile":0.99203,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.59356,"percentile":0.991},{"date":"2026-09-22","score":0.63355,"percentile":0.99171}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 63.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://blogs.securiteam.com/index.php/archives/3559","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/monstra-cms/monstra/issues/426","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://securityprince.blogspot.in/2017/12/monstra-cms-304-arbitrary-file-upload.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43348/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://blogs.securiteam.com/index.php/archives/3559","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/monstra-cms/monstra/issues/426","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://securityprince.blogspot.in/2017/12/monstra-cms-304-arbitrary-file-upload.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43348/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-18048","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."}