{"cve":{"cve_id":"CVE-2018-12123","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":0.0405,"epss_percentile":0.90495,"epss_as_of":"2026-10-15","description":"Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Hostname spoofing in URL parser for javascript protocol: If a Node.js application is using url.parse() to determine the URL hostname, that hostname can be spoofed by using a mixed case \"javascript:\" (e.g. \"javAscript:\") protocol (other protocols are not affected). If security decisions are made about the URL based on the hostname, they may be incorrect.","published_at":"2018-11-28T17:00:00Z","last_modified_at":"2026-10-08T22:16:45.207000Z","cvss_v3_score":4.3,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","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-115"],"nvd_references":["https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","https://access.redhat.com/errata/RHSA-2019:1821","https://security.gentoo.org/glsa/202003-48"],"vuln_status":"Modified","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":"2026-10-10T21:36:59.224259Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","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":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"nodejs","vendor_name":"nodejs","product_slug":"node.js","product_name":"node.js","version_start":"6.0.0","version_start_inclusive":true,"version_end":"6.15.0","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*"},{"vendor_slug":"nodejs","vendor_name":"nodejs","product_slug":"node.js","product_name":"node.js","version_start":"11.0.0","version_start_inclusive":true,"version_end":"11.3.0","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*"},{"vendor_slug":"the-node.js-project","vendor_name":"The Node.js Project","product_slug":"node.js","product_name":"Node.js","version_start":"All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0","version_start_inclusive":true,"version_end":"All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:the-node.js-project:node.js:All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0:All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","source_type":"MISC","tags":[]},{"url":"https://access.redhat.com/errata/RHSA-2019:1821","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://security.gentoo.org/glsa/202003-48","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2018-11-28T17:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-10-10T21:36:59.224259Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-10-10T21:36:59.224259Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-10-10T21:36:59.224259Z","label":"CVSS score revised","source":"nvd"}]}