XSS: Cross-Site Scripting in Cybersecurity
'Cross-site scripting' is also said in full.
XSS stands for Cross-Site Scripting. Cross-Site Scripting is a web vulnerability where an attacker injects malicious scripts into pages viewed by other users. XSS comes in three forms: reflected, stored, and DOM-based.
How XSS Is Used in Cybersecurity
Penetration testers probe input fields, URL parameters, and headers to find XSS injection points in web applications. Security engineers implement output encoding and Content Security Policy headers to prevent XSS. SOC analysts monitor for XSS payloads in web application firewall logs.
Read the full glossary entry: Cross-Site Scripting in Cybersecurity
Cybersecurity Roles That Work with XSS
Related Cybersecurity Acronyms
Frequently asked questions
What does XSS stand for?
XSS stands for Cross-Site Scripting. Cross-Site Scripting is a web vulnerability where an attacker injects malicious scripts into pages viewed by other users. XSS comes in three forms: reflected, stored, and DOM-based.
What is XSS used for in cybersecurity?
Penetration testers probe input fields, URL parameters, and headers to find XSS injection points in web applications. Security engineers implement output encoding and Content Security Policy headers to prevent XSS. SOC analysts monitor for XSS payloads in web application firewall logs.
Sources
Where to go next
Three next steps depending on where you are. The first two are free.
Free · 2 minutes
Start with the AI Risk Score
Two minutes. Tells you how exposed your current role is to AI automation and which defensive moves carry the best return.
Start the AI Risk Score →Paid program · $147-$597
Aligned course: Career Transition
Capstone reviewed by the founder, published rubric, Ed25519-signed verifiable credential on completion.
View the course →Free account
Save your results and track progress
A free account stores your assessments, recommendations, and an exportable copy of your Career DNA. No card needed.
Create your account →Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.