{"cve":{"cve_id":"CVE-2018-16854","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":0.02326,"epss_percentile":0.81274,"epss_as_of":"2026-06-23","description":"A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.","published_at":"2018-11-26T17:00:00Z","last_modified_at":null,"cvss_v3_score":6.5,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","cvss_v3_severity":"MEDIUM","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-352"],"nvd_references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16854","http://www.securitytracker.com/id/1042154","http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-63183","http://www.securityfocus.com/bid/106017","https://moodle.org/mod/forum/discuss.php?d=378731"],"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":"2026-06-28T23:10:58.453014Z"},"effective_severity":"MEDIUM","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":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.6","version_start_inclusive":true,"version_end":"3.6","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.6:3.6"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.5.3","version_start_inclusive":true,"version_end":"3.5.3","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.5.3:3.5.3"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.4.6","version_start_inclusive":true,"version_end":"3.4.6","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.4.6:3.4.6"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.3.9","version_start_inclusive":true,"version_end":"3.3.9","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.3.9:3.3.9"},{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"moodle","product_name":"moodle","version_start":"3.1.15","version_start_inclusive":true,"version_end":"3.1.15","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:moodle:3.1.15:3.1.15"}],"exploit_refs":[],"news":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16854","source_type":"MISC","tags":[]},{"url":"http://www.securitytracker.com/id/1042154","source_type":"MISC","tags":[]},{"url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-63183","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/106017","source_type":"MISC","tags":[]},{"url":"https://moodle.org/mod/forum/discuss.php?d=378731","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2018-11-26T17:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T16:57:47.401043Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:47.401043Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:47.401043Z","label":"CVSS score revised","source":"cvelistv5"}]}