【中文导读】PublicCMS PublicCMS-V5.202506.a 存在命令注入风险（高危风险）。具体受影响版本、触发条件和修复方案以 NVD/厂商公告为准。 【原始描述】OS Command injection vulnerability in PublicCMS PublicCMS-V5.202506.a, and PublicCMS-V5.202506.b allowing attackers to execute arbitrary commands via crafted DATABASE, USERNAME, or PASSWORD variables to the backupDB.bat file.