{"api_version":"1","generated_at":"2026-07-23T16:44:59+00:00","cve":"CVE-2021-20654","urls":{"html":"https://cve.report/CVE-2021-20654","api":"https://cve.report/api/cve/CVE-2021-20654.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-20654","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20654"},"summary":{"title":"CVE-2021-20654","description":"Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site.","state":"PUBLIC","assigner":"vultures@jpcert.or.jp","published_at":"2021-02-10 09:15:00","updated_at":"2021-02-16 18:14:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://wekan.github.io/hall-of-fame/fieldbleed/","name":"https://wekan.github.io/hall-of-fame/fieldbleed/","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"Wekan — Hall of Fame / Fieldbleed","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://jvn.jp/en/jp/JVN80785288/","name":"https://jvn.jp/en/jp/JVN80785288/","refsource":"MISC","tags":["Third Party Advisory"],"title":"JVN#80785288: Wekan vulnerable to cross-site scripting","mime":"text/xml","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-20654","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20654","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"20654","vulnerable":"1","versionEndIncluding":"4.11","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"wekan_project","cpe5":"wekan","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-20654","ASSIGNER":"vultures@jpcert.or.jp","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Wekan Team","product":{"product_data":[{"product_name":"Wekan","version":{"version_data":[{"version_value":"versions between 3.12 and 4.11"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79: Cross-Site Scripting"}]}]},"references":{"reference_data":[{"url":"https://wekan.github.io/hall-of-fame/fieldbleed/","refsource":"MISC","name":"https://wekan.github.io/hall-of-fame/fieldbleed/"},{"url":"https://jvn.jp/en/jp/JVN80785288/","refsource":"MISC","name":"https://jvn.jp/en/jp/JVN80785288/"}]},"description":{"description_data":[{"lang":"eng","value":"Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site."}]}},"nvd":{"publishedDate":"2021-02-10 09:15:00","lastModifiedDate":"2021-02-16 18:14:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.3,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":3.5},"severity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"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:wekan_project:wekan:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndIncluding":"4.11","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"20654","Ordinal":"194699","Title":"CVE-2021-20654","CVE":"CVE-2021-20654","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"20654","Ordinal":"1","NoteData":"Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"20654","Ordinal":"2","NoteData":"2021-02-10","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"20654","Ordinal":"3","NoteData":"2021-02-10","Type":"Other","Title":"Modified"}]}}}