There is a remote code execution vulnerability in SeaCMS 12.9. The vulnerability is caused by phomebak.php writing some variable names passed in without filtering them before writing them into the php file. An authenticated attacker can exploit this vulnerability to execute arbitrary commands and obtain system permissions.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-40522
• https://gitee.com/fushuling/cve/blob/master/%20SeaCMS%2012.9%20phomebak.php%20code%20injection.md