Update Readme.md

Author: Esther7171

Wpt/Server Side vulnerability/NoSQL injection/Readme.md

@@ -195,6 +195,6 @@ To target an account, you can construct a payload that includes a known username
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 | S.No | Name | Walkthrough |
 |--|--|--|
-| Lab 1 | [Exploiting NoSQL operator injection to bypass authentication](https://portswigger.net/web-security/nosql-injection/lab-nosql-injection-bypass-authentication) | [Link]() |
+| Lab 2 | [Exploiting NoSQL operator injection to bypass authentication](https://portswigger.net/web-security/nosql-injection/lab-nosql-injection-bypass-authentication) | [Link](https://github.com/Esther7171/Web-Application-Penetration-Testing/blob/main/Wpt/Server%20Side%20vulnerability/NoSQL%20injection/Labs/Lab%202%3A%20Exploiting%20NoSQL%20operator%20injection%20to%20bypass%20authentication.md#lab-2-exploiting-nosql-operator-injection-to-bypass-authentication) |
 
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