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Undesired Behavior Affecting sweetalert2 package, versions >=11.4.9

0.0
low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    Exploit Maturity Mature

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  • Snyk ID SNYK-JS-SWEETALERT2-2774674
  • published 24 Apr 2022
  • disclosed 24 Apr 2022
  • credit Unknown
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Introduced: 24 Apr 2022

CVE NOT AVAILABLE CWE-438 Open this link in a new tab

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'