{"id":"CVE-2023-27757","details":"An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.","modified":"2026-03-14T11:59:59.054407Z","published":"2023-03-15T03:15:08.437Z","references":[{"type":"REPORT","url":"https://github.com/perfree/PerfreeBlog/issues/13"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/perfree/perfreeblog","events":[{"introduced":"0"},{"last_affected":"62f3b7e867960a5ad2634eda959689e2f52d96b6"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.1.1"}]}}],"versions":["V1.0.0","V1.0.0-Beta","V1.0.1-Beta","V1.0.3","V1.1.0","V1.2.0","V1.2.1","V1.2.2","v1.0.1","v1.0.2","v1.2.3","v1.2.4","v1.2.5","v1.2.6","v1.2.7","v1.3.0","v1.3.1","v1.3.2","v2.0.0","v2.1.0","v2.2.0","v2.2.1","v2.2.2","v2.2.3","v2.3.0","v2.3.1","v3.0.0","v3.1.0","v3.1.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-27757.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}