Which of the following attack can be eradicated by converting all non-alphanumeric characters to HTML character entities before displaying the user input in search engines and forums?

What is the correct sequence of SOC Workflow?

What does Windows event ID 4740 indicate?

Identify the attack in which the attacker exploits a target system through publicly known but still unpatched vulnerabilities.

An attacker, in an attempt to exploit the vulnerability in the dynamically generated welcome page, inserted code at the end of the company's URL as follows:
http://technosoft.com.com/<script>alert("WARNING: The application has encountered an error");</script>.
Identify the attack demonstrated in the above scenario.