mJobTime Admin Panel SQL Injection Leads to Pre-Auth RCE

mJobTime through build 15.7.3.32 contains an unauthenticated SQL execution vulnerability in the Login.aspx admin panel handlers.

The runQueryButton postback and exportSqlQuery_Server PageMethod execute caller-supplied SQL against the backing Sybase SQL Anywhere database using DBA/sysadmin privileges. No server-side authentication is enforced beyond a client-side sessionStorage flag.

• Attackers can submit arbitrary SQL through these exposed endpoints.
• They can invoke xp_cmdshell and xp_read_file.
• This achieves pre-authentication remote code execution as LocalSystem via a single HTTP request.