{"id":"CVE-2018-1133","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1133","generatedAt":"2026-10-29T03:45:57.986Z","title":"A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.","description":"An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.","published":"2018-05-25T12:29:00.000Z","lastModified":"2026-06-17T01:50:34.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","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-94"],"affected":["moodle/moodle"],"epss":{"score":0.31322,"percentile":0.98271,"date":"2026-10-28","history":[{"date":"2026-09-21","score":0.24581,"percentile":0.97825},{"date":"2026-09-22","score":0.31879,"percentile":0.98224}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2019-03-15","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46551,"kind":"exploit","title":"Moodle 3.4.1 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/46551","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/46551.php","file":"exploits/php/webapps/46551.php","published":"2019-03-15","added":"2019-03-15","updated":"2019-03-15","author":"Darryn Ten","type":"webapps","platform":"php","port":80,"verified":false,"codes":["CVE-2018-1133"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.commoodle-3.4.1.zip","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 31.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.31879,"from":0.24581,"percentile":0.98224},"summary":"EPSS moved from 24.6% to 31.9% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/104307","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"https://moodle.org/mod/forum/discuss.php?d=371199","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.exploit-db.com/exploits/46551/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/104307","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://moodle.org/mod/forum/discuss.php?d=371199","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46551/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1133","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."}