ChestnutCMS File Upload Vulnerability (CNVD-2025-05386)

ChestnutCMS is a front-end and back-end separated enterprise-level content management system. A file upload vulnerability exists in ChestnutCMS 1.5.2 and earlier versions, which stems from a lack of validation of uploaded files by the parameter file. An attacker can exploit this vulnerability to...

CVE-2024-56828

CVE-2024-56828 affects ChestnutCMS up to 1.5.0. The /api/member/avatar endpoint accepts a base64 data URL, decodes the payload via the service’s uploadAvatarByBase64, and derives a file suffix from the encoded content (substring from the 11th character to the first semicolon). The decoded data is...