{"api_version":"1","generated_at":"2026-04-23T04:11:29+00:00","cve":"CVE-2021-20810","urls":{"html":"https://cve.report/CVE-2021-20810","api":"https://cve.report/api/cve/CVE-2021-20810.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-20810","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20810"},"summary":{"title":"CVE-2021-20810","description":"Cross-site scripting vulnerability in Website Management screen of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.","state":"PUBLIC","assigner":"vultures@jpcert.or.jp","published_at":"2021-08-26 02:15:00","updated_at":"2021-09-01 18:59:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://jvn.jp/en/jp/JVN97545738/index.html","name":"https://jvn.jp/en/jp/JVN97545738/index.html","refsource":"MISC","tags":[],"title":"JVN#97545738: Multiple cross-site scripting vulnerabilities in Movable Type","mime":"text/xml","httpstatus":"200","archivestatus":"0"},{"url":"https://movabletype.org/news/2021/08/mt-780-681-released.html","name":"https://movabletype.org/news/2021/08/mt-780-681-released.html","refsource":"MISC","tags":[],"title":"MovableType.org – News:                      Movable Type 7 r.5001 (v7.8.0), v6.8.1 released","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-20810","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20810","name":"NVD vulnerability 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scripting vulnerability in Website Management screen of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"20810","Ordinal":"2","NoteData":"2021-08-25","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"20810","Ordinal":"3","NoteData":"2021-08-25","Type":"Other","Title":"Modified"}]}}}