{"api_version":"1","generated_at":"2026-07-23T22:42:57+00:00","cve":"CVE-2020-15159","urls":{"html":"https://cve.report/CVE-2020-15159","api":"https://cve.report/api/cve/CVE-2020-15159.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-15159","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15159"},"summary":{"title":"CVE-2020-15159","description":"baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2020-08-28 22:15:00","updated_at":"2020-09-03 14:20:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d","name":"https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Merge pull request from GHSA-673x-f5wx-fxpw · baserproject/basercms@16a7b3c · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://basercms.net/security/20200827","name":"https://basercms.net/security/20200827","refsource":"MISC","tags":["Vendor Advisory"],"title":"2020/08/27 コードインジェクション、XSSの脆弱性","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw","name":"https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"Cross Site Scripting (XSS) and Remote Code Execution (RCE) · Advisory · baserproject/basercms · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15159","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15159","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"15159","vulnerable":"1","versionEndIncluding":"4.3.6","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"basercms","cpe5":"basercms","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-15159","STATE":"PUBLIC","TITLE":"Cross Site Scripting leading to RCE in baserCMS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"basercms","version":{"version_data":[{"version_affected":"<","version_value":"< 4.3.7"}]}}]},"vendor_name":"baserproject"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}},"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://basercms.net/security/20200827","refsource":"MISC","url":"https://basercms.net/security/20200827"},{"name":"https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw","refsource":"CONFIRM","url":"https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw"},{"name":"https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d","refsource":"MISC","url":"https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d"}]},"source":{"advisory":"GHSA-673x-f5wx-fxpw","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2020-08-28 22:15:00","lastModifiedDate":"2020-09-03 14:20:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.6,"baseSeverity":"HIGH"},"exploitabilityScore":1,"impactScore":6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:H/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":4.6},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"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:basercms:basercms:*:*:*:*:*:*:*:*","versionEndIncluding":"4.3.6","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"15159","Ordinal":"176538","Title":"CVE-2020-15159","CVE":"CVE-2020-15159","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"15159","Ordinal":"1","NoteData":"baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"15159","Ordinal":"2","NoteData":"2020-08-28","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"15159","Ordinal":"3","NoteData":"2020-08-28","Type":"Other","Title":"Modified"}]}}}