{"id":"CVE-2017-16780","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-16780","generatedAt":"2026-10-28T20:10:18.727Z","title":"The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.","description":"The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.","published":"2017-11-10T23:29:00.000Z","lastModified":"2026-06-17T01:09:55.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-352"],"affected":["mybb/mybb"],"epss":{"score":0.05766,"percentile":0.93045,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.04638,"percentile":0.91306},{"date":"2026-09-22","score":0.05766,"percentile":0.92743}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-11-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43136,"kind":"exploit","title":"MyBB 1.8.13 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/43136","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/43136.txt","file":"exploits/php/webapps/43136.txt","published":"2017-11-11","added":"2017-11-13","updated":"2017-11-19","author":"Pabstersac","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2017-16780"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is critical, while EPSS rates exploitation at 5.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43136/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43136/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-16780","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."}