{"api_version":"1","generated_at":"2026-04-26T05:47:16+00:00","cve":"CVE-2021-27237","urls":{"html":"https://cve.report/CVE-2021-27237","api":"https://cve.report/api/cve/CVE-2021-27237.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-27237","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27237"},"summary":{"title":"CVE-2021-27237","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-02-16 19:15:00","updated_at":"2021-02-17 20:36:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php","name":"https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"History for upload/backend/preferences/ajax_save.php - BlackCatDevelopment/BlackCatCMS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.exploit-db.com/exploits/49565","name":"https://www.exploit-db.com/exploits/49565","refsource":"MISC","tags":["Exploit","Third Party Advisory","VDB Entry"],"title":"BlackCat CMS 1.3.6 - 'Display name' Cross Site Scripting (XSS) - PHP webapps Exploit","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta","name":"https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Comparing 1.3.6...1.4Beta · BlackCatDevelopment/BlackCatCMS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-27237","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27237","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"27237","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"blackcat-cms","cpe5":"blackcat_cms","cpe6":"1.3.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"27237","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"blackcat-cms","cpe5":"blackcat_cms","cpe6":"1.3.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-27237","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php","refsource":"MISC","name":"https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php"},{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta","refsource":"MISC","name":"https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta"},{"refsource":"MISC","name":"https://www.exploit-db.com/exploits/49565","url":"https://www.exploit-db.com/exploits/49565"}]}},"nvd":{"publishedDate":"2021-02-16 19:15:00","lastModifiedDate":"2021-02-17 20:36:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.7,"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:blackcat-cms:blackcat_cms:1.3.6:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"27237","Ordinal":"202328","Title":"CVE-2021-27237","CVE":"CVE-2021-27237","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"27237","Ordinal":"1","NoteData":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"27237","Ordinal":"2","NoteData":"2021-02-16","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"27237","Ordinal":"3","NoteData":"2021-02-16","Type":"Other","Title":"Modified"}]}}}