{"cve":{"cve_id":"CVE-2018-14630","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.04425,"epss_percentile":0.90104,"epss_as_of":"2026-06-23","description":"moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.","published_at":"2018-09-17T18:00:00Z","last_modified_at":null,"cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-20"],"nvd_references":["http://www.securityfocus.com/bid/105354","http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880","https://moodle.org/mod/forum/discuss.php?d=376023","https://seclists.org/fulldisclosure/2018/Sep/28","https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:10:49.829249Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.5.2","version_start_inclusive":true,"version_end":"3.5.2","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.5.2:3.5.2"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.4.5","version_start_inclusive":true,"version_end":"3.4.5","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.4.5:3.4.5"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.3.8","version_start_inclusive":true,"version_end":"3.3.8","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.3.8:3.3.8"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.1.14","version_start_inclusive":true,"version_end":"3.1.14","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.1.14:3.1.14"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.securityfocus.com/bid/105354","source_type":"MISC","tags":[]},{"url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880","source_type":"MISC","tags":[]},{"url":"https://moodle.org/mod/forum/discuss.php?d=376023","source_type":"MISC","tags":[]},{"url":"https://seclists.org/fulldisclosure/2018/Sep/28","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2018-09-17T18:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"}]}