# XSS

> English word · Noun · frequency rank #92,265

## Definitions
1. Abbreviation of cross-site scripting.

## Etymology
The X denotes cross. CSS was avoided because of the potential for confusion with the existing Web technology named cascading style sheets.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/xss