{"api_version":"1","generated_at":"2026-07-23T13:28:11+00:00","cve":"CVE-2023-0842","urls":{"html":"https://cve.report/CVE-2023-0842","api":"https://cve.report/api/cve/CVE-2023-0842.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-0842","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-0842"},"summary":{"title":"CVE-2023-0842","description":"xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.","state":"PUBLIC","assigner":"help@fluidattacks.com","published_at":"2023-04-05 20:15:00","updated_at":"2024-03-14 21:15:00"},"problem_types":["CWE-1321"],"metrics":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html","name":"[debian-lts-announce] 20240314 [SECURITY] [DLA 3760-1] node-xml2js security update","refsource":"","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Leonidas-from-XIV/node-xml2js/","name":"https://github.com/Leonidas-from-XIV/node-xml2js/","refsource":"MISC","tags":[],"title":"GitHub - Leonidas-from-XIV/node-xml2js: XML to JavaScript object converter.","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://fluidattacks.com/advisories/myers/","name":"https://fluidattacks.com/advisories/myers/","refsource":"MISC","tags":[],"title":"xml2js 0.4.23          -         Prototype Pollution | Advisories | Fluid Attacks","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-0842","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0842","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"842","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"xml2js_project","cpe5":"xml2js","cpe6":"0.4.23","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-0842","qid":"184366","title":"Debian Security Update for node-xml2js (CVE-2023-0842)"},{"cve":"CVE-2023-0842","qid":"6000521","title":"Debian Security Update for node-xml2js (DLA 3760-1)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2023-0842","ASSIGNER":"help@fluidattacks.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"xml2js","version":{"version_data":[{"version_value":"0.4.23"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Prototype Pollution"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://fluidattacks.com/advisories/myers/","url":"https://fluidattacks.com/advisories/myers/"},{"refsource":"MISC","name":"https://github.com/Leonidas-from-XIV/node-xml2js/","url":"https://github.com/Leonidas-from-XIV/node-xml2js/"}]},"description":{"description_data":[{"lang":"eng","value":"xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited."}]}},"nvd":{"publishedDate":"2023-04-05 20:15:00","lastModifiedDate":"2024-03-14 21:15:00","problem_types":["CWE-1321"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:xml2js_project:xml2js:0.4.23:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}