{"api_version":"1","generated_at":"2026-07-23T09:50:12+00:00","cve":"CVE-2021-4263","urls":{"html":"https://cve.report/CVE-2021-4263","api":"https://cve.report/api/cve/CVE-2021-4263.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-4263","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4263"},"summary":{"title":"CVE-2021-4263","description":"A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.","state":"PUBLIC","assigner":"cna@vuldb.com","published_at":"2022-12-21 19:15:00","updated_at":"2023-11-16 01:33:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://vuldb.com/?id.216461","name":"N/A","refsource":"N/A","tags":[],"title":"","mime":"text/plain","httpstatus":"403","archivestatus":"404"},{"url":"https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19","name":"N/A","refsource":"N/A","tags":[],"title":"fix note history xss · leanote/leanote@0f9733c · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://vuldb.com/?ctiid.216461","name":"https://vuldb.com/?ctiid.216461","refsource":"MISC","tags":[],"title":"Login required","mime":"text/html","httpstatus":"401","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-4263","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4263","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"4263","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"leanote","cpe5":"leanote","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4263","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"leanote","cpe5":"leanote","cpe6":"2.6.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-4263","qid":"995675","title":"GO (Go) Security Update for github.com/leanote/leanote (GHSA-6cmv-2548-82v4)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2021-4263","ASSIGNER":"cna@vuldb.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability."},{"lang":"deu","value":"Eine Schwachstelle wurde in leanote 2.6.1 entdeckt. Sie wurde als problematisch eingestuft. Es geht hierbei um die Funktion define der Datei public/js/plugins/history.js. Durch die Manipulation des Arguments content mit unbekannten Daten kann eine cross site scripting-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Patch wird als 0f9733c890077942150696dcc6d2b1482b7a0a19 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Cross Site Scripting","cweId":"CWE-79"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"leanote","version":{"version_data":[{"version_affected":"=","version_value":"2.6.1"}]}}]}}]}},"references":{"reference_data":[{"url":"https://vuldb.com/?id.216461","refsource":"MISC","name":"https://vuldb.com/?id.216461"},{"url":"https://vuldb.com/?ctiid.216461","refsource":"MISC","name":"https://vuldb.com/?ctiid.216461"},{"url":"https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19","refsource":"MISC","name":"https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19"}]},"credits":[{"lang":"en","value":"VulDB GitHub Commit Analyzer"}],"impact":{"cvss":[{"version":"3.1","baseScore":3.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","baseSeverity":"LOW"},{"version":"3.0","baseScore":3.5,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","baseSeverity":"LOW"},{"version":"2.0","baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N"}]}},"nvd":{"publishedDate":"2022-12-21 19:15:00","lastModifiedDate":"2023-11-16 01:33:00","problem_types":["CWE-79"],"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}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:leanote:leanote:2.6.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}