Svetlana Velmar-Janković

XSS is cross-site scripting, a type of computer security vulnerability.

XSS may also refer to:

• XSS file, a Microsoft Visual Studio Dataset Designer Surface Data file
• X11 Screen Saver extension, of X11
• Assan language (ISO 639-3 code)
• Xbox Series S, a digital-only video game console

• Experimental Satellite System-11 (XSS 11), a spacecraft
• CSS (disambiguation)