{"api_version":"1","generated_at":"2026-07-23T14:31:05+00:00","cve":"CVE-2021-3780","urls":{"html":"https://cve.report/CVE-2021-3780","api":"https://cve.report/api/cve/CVE-2021-3780.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-3780","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3780"},"summary":{"title":"CVE-2021-3780","description":"peertube is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","state":"PUBLIC","assigner":"security@huntr.dev","published_at":"2021-09-15 12:15:00","updated_at":"2021-09-23 19:47:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://github.com/chocobozzz/peertube/commit/0ea2f79d45b301fcd660efc894469a99b2239bf6","name":"https://github.com/chocobozzz/peertube/commit/0ea2f79d45b301fcd660efc894469a99b2239bf6","refsource":"MISC","tags":[],"title":"Safer image preview · Chocobozzz/PeerTube@0ea2f79 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://huntr.dev/bounties/282807a8-4bf5-4fe2-af62-e05f945b3d65","name":"https://huntr.dev/bounties/282807a8-4bf5-4fe2-af62-e05f945b3d65","refsource":"CONFIRM","tags":[],"title":"huntr: Disclose & Fix Security Vulnerabilities in Open Source","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3780","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3780","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"3780","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"framasoft","cpe5":"peertube","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-3780","qid":"980672","title":"Nodejs (npm) Security Update for peertube (GHSA-f2c5-997w-7f5c)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@huntr.dev","ID":"CVE-2021-3780","STATE":"PUBLIC","TITLE":"Cross-site Scripting (XSS) - Stored in chocobozzz/peertube"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"chocobozzz/peertube","version":{"version_data":[{"version_affected":"<","version_value":"3.4.0"}]}}]},"vendor_name":"chocobozzz"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"peertube is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]},"references":{"reference_data":[{"name":"https://huntr.dev/bounties/282807a8-4bf5-4fe2-af62-e05f945b3d65","refsource":"CONFIRM","url":"https://huntr.dev/bounties/282807a8-4bf5-4fe2-af62-e05f945b3d65"},{"name":"https://github.com/chocobozzz/peertube/commit/0ea2f79d45b301fcd660efc894469a99b2239bf6","refsource":"MISC","url":"https://github.com/chocobozzz/peertube/commit/0ea2f79d45b301fcd660efc894469a99b2239bf6"}]},"source":{"advisory":"282807a8-4bf5-4fe2-af62-e05f945b3d65","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-09-15 12:15:00","lastModifiedDate":"2021-09-23 19:47:00","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},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"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:framasoft:peertube:*:*:*:*:*:*:*:*","versionEndExcluding":"3.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"3780","Ordinal":"216442","Title":"CVE-2021-3780","CVE":"CVE-2021-3780","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"3780","Ordinal":"1","NoteData":"peertube is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","Type":"Description","Title":null},{"CveYear":"2021","CveId":"3780","Ordinal":"2","NoteData":"2021-09-15","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"3780","Ordinal":"3","NoteData":"2021-09-15","Type":"Other","Title":"Modified"}]}}}