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Client Side Template Injection (CSTI)

TiiZss edited this page Jan 3, 2026 · 1 revision

Introduction

Client-side template injection vulnerabilities arise when applications using a client-side template framework dynamically embed user input in web pages.

Details

The welcome page of the DVWS application is vulnerable to CSTI. This can be exploited by creating a user with the following payload.

{{'a'.constructor.prototype.charAt=[].join;$eval('x=alert(1)');}}

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References

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