{"api_version":"1","generated_at":"2026-04-17T06:03:41+00:00","cve":"CVE-2021-23443","urls":{"html":"https://cve.report/CVE-2021-23443","api":"https://cve.report/api/cve/CVE-2021-23443.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-23443","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23443"},"summary":{"title":"CVE-2021-23443","description":"This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.","state":"PUBLIC","assigner":"report@snyk.io","published_at":"2021-09-21 17:15:00","updated_at":"2022-05-03 16:04:00"},"problem_types":["CWE-843"],"metrics":[],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556","name":"https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556","refsource":"MISC","tags":[],"title":"Cross-site Scripting (XSS) in edge.js | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21","name":"https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21","refsource":"MISC","tags":[],"title":"fix: Cross-Site Scripting vulnerability reported by Snyk security team · edge-js/edge@fa2c7fd · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-23443","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23443","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Alessio Della Libera of Snyk Research Team","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"23443","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adonisjs","cpe5":"edge","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-23443","qid":"980753","title":"Nodejs (npm) Security Update for edge.js (GHSA-55r9-7mf8-m382)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2021-09-21T16:49:33.980993Z","ID":"CVE-2021-23443","STATE":"PUBLIC","TITLE":"Cross-site Scripting (XSS)"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"edge.js","version":{"version_data":[{"version_affected":"<","version_value":"5.3.2"}]}}]},"vendor_name":"n/a"}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Cross-site Scripting (XSS)"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556","name":"https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556"},{"refsource":"MISC","url":"https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21","name":"https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21"}]},"description":{"description_data":[{"lang":"eng","value":"This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used."}]},"impact":{"cvss":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},"credit":[{"lang":"eng","value":"Alessio Della Libera of Snyk Research Team"}]},"nvd":{"publishedDate":"2021-09-21 17:15:00","lastModifiedDate":"2022-05-03 16:04:00","problem_types":["CWE-843"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adonisjs:edge:*:*:*:*:*:node.js:*:*","versionEndExcluding":"5.3.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"23443","Ordinal":"198170","Title":"CVE-2021-23443","CVE":"CVE-2021-23443","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"23443","Ordinal":"1","NoteData":"This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"23443","Ordinal":"2","NoteData":"2021-09-21","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"23443","Ordinal":"3","NoteData":"2021-09-21","Type":"Other","Title":"Modified"}]}}}