{"id":"CVE-2023-44763","details":"Concrete CMS v9.2.1 is affected by an Arbitrary File Upload vulnerability via a Thumbnail file upload, which allows Cross-Site Scripting (XSS). NOTE: the vendor's position is that a customer is supposed to know that \"pdf\" should be excluded from the allowed file types, even though pdf is one of the allowed file types in the default configuration.","aliases":["GHSA-wrp2-6v6j-hfmg"],"modified":"2026-08-12T03:51:33.880371621Z","published":"2023-10-10T00:00:00Z","database_specific":{"isDisputed":true,"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/44xxx/CVE-2023-44763.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://web.archive.org/web/20231026034159/https://documentation.concretecms.org/user-guide/editors-reference/dashboard/system-and-maintenance/files/allowed-file-types"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/44xxx/CVE-2023-44763.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-44763"},{"type":"ADVISORY","url":"https://www.concretecms.org/about/project-news/security/security-advisory-2023-10-25-concrete-cms-rejects-cve-2023-44763"},{"type":"PACKAGE","url":"https://github.com/sromanhu/ConcreteCMS-Arbitrary-file-upload-Thumbnail"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/concretecms/concretecms","events":[{"introduced":"9cb42f30dcbdc42210d20f72abcbd6c752197968"},{"last_affected":"9cb42f30dcbdc42210d20f72abcbd6c752197968"}],"database_specific":{"extracted_events":[{"introduced":"9.2.1"},{"last_affected":"9.2.1"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:concretecms:concrete_cms:9.2.1:*:*:*:*:*:*:*"}}],"versions":["9.2.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-44763.json"}}],"schema_version":"1.9.0"}