Description

HTML Injection is a vulnerability in which the attacker can inject malicious html content in the webpage.

Proof of Concept

1. Open tab Edit Customers, click Edit customer
2. Inject this payload at field Name: <marquee>TEST TEST TEST</marquee>. And then click Save
3. Go to the profile page of this customer,  you will see the payload executed.

Video POC: https://drive.google.com/file/d/1PQsCXKOrcZb80xj91vzjIaDGEN562h2Y/view?usp=sharing

Impact

They can manipulate a trustful but vulnerable website against HTML Injection. They can create a fake webpage by using stored HTML Injection or they achieve XSS. After achieving XSS threat actors can steal cookies, hijack accounts, steal credentials and other sensitive information. Or an attacker can use tag <a href="http://evil.com">click here to get gift</a> it attack phishing to redirect the victim to another website.