XSS

X8S1S1

A form of cross-site scripting — An exploit that involves tricking a victim into executing a malicious script on a target website, so that the malicious content is trusted as though it were part of that site.

Less commonScrabble 10
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Meanings

nounXSS (uncountable)
  1. Internetabbreviationuncountablecomputer securityAbbreviation of cross-site scripting.

Synonyms & antonyms

Also see
cross-site scripting

Origin

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

Full word history & related roots →
Cite this entry
APA

XSS. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/XSS

MLA

“XSS.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/XSS. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “XSS,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/XSS.

Source: XSS on Wiktionary, CC BY-SA 4.0.