http://example.com/view.shtml?page=<!--#exec cmd="id" -->
The surprising answer is: more organizations than you think. Legacy industrial control systems (ICS), government archival systems, educational intranets, and even some embedded devices still run ancient web servers with .shtml support. view shtml patched
If the response shows the current date/time, SSI is active. Next, test a command (if #exec is allowed): http://example
Depending on your audience—whether you're a security researcher, a sysadmin, or a developer—here are two ways to frame this post. !--#exec cmd="id" -->
Last updated: October 2024. References: Apache SSI documentation, OWASP Server-Side Includes Injection cheat sheet, CVE-2004-0521, and real-world incident responses.