cmseasy V7.7.5_20211012 is affected by an arbitrary file read vulnerability. After login, the configuration file information of the website such as the database configuration file (config / config_database) can be read through this vulnerability.Referenceshttps://jdr2021.github.io/2021/10/14/CmsEasy_7.7.5_20211012%E5%AD%98%E5%9C%A8%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E5%86%99%E5%85%A5%E5%92%8C%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E/