Language: JavaScript
Label: vulnerable
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
function destroy(){if(KB.exists('#screenshot-pastezone')){KB.find('#screenshot-pastezone').remove()}
document.removeEventListener('click',setFocus);pasteCatcher=null}