Undesired Behavior Affecting sweetalert2 package, versions >=11.4.9
Threat Intelligence
Exploit Maturity
Mature
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Test your applications- Snyk ID SNYK-JS-SWEETALERT2-2774674
- published 24 Apr 2022
- disclosed 24 Apr 2022
- credit Unknown
How to fix?
There is no fixed version for sweetalert2.
Overview
sweetalert2 is an accessible (WAI-ARIA) replacement for JavaScript's popup boxes, supported fork of sweetalert
Affected versions of this package are vulnerable to Undesired Behavior as it displays pop-up messages that affect Russian users when visiting Russian sites.
PoC:
if (navigator.language === 'ru' && location.host.match(/\.(ru|su|xn--p1ai)$/)) {
const noWar = document.createElement('div')
noWar.className = swalClasses['no-war']
setInnerHtml(
noWar,
`<a href="https://www.youtube.com/watch?v=${message.youtubeId}" target="_blank">${message.text}</a>`
)
container.appendChild(noWar)
container.style.paddingTop = '4em'
CVSS Scores
version 3.1