{"id":"CVE-2021-39608","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-39608","generatedAt":"2026-11-05T01:11:06.198Z","title":"Remote Code Execution (RCE) vulnerabilty exists in FlatCore-CMS 2.0.7 via the upload addon plugin, which could let a remote malicious user exeuct arbitrary php code.","description":"Remote Code Execution (RCE) vulnerabilty exists in FlatCore-CMS 2.0.7 via the upload addon plugin, which could let a remote malicious user exeuct arbitrary php code.","published":"2021-08-23T21:15:11.000Z","lastModified":"2026-06-17T04:03:53.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["flatcore/flatcore-cms"],"epss":{"score":0.45948,"percentile":0.98807,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-09-06","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50262,"kind":"exploit","title":"FlatCore CMS 2.0.7 - Remote Code Execution (RCE) (Authenticated)","url":"https://www.exploit-db.com/exploits/50262","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/50262.py","file":"exploits/php/webapps/50262.py","published":"2021-09-06","added":"2021-09-06","updated":"2021-09-06","author":"Mason Soroka-Gill","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2021-39608"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comflatCore-CMS-2.0.7.tar.gz","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 45.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/164047/FlatCore-CMS-2.0.7-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/flatCore/flatCore-CMS/issues/52","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/164047/FlatCore-CMS-2.0.7-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/flatCore/flatCore-CMS/issues/52","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-39608","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."}