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Cross-site Scripting (XSS) Affecting drupal/core package, versions >=7.0, <7.57 >=8.0, <8.4.5

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.22% (60th percentile)
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NVD
6.1 medium

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  • Snyk ID SNYK-PHP-DRUPALCORE-72091
  • published 6 Mar 2018
  • disclosed 1 Mar 2018
  • credit Grant Gaudet
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Introduced: 1 Mar 2018

CVE-2017-6927 Open this link in a new tab
CWE-79 Open this link in a new tab

How to fix?

Upgrade drupal/core to version 7.57, 8.4.5 or higher.

Overview

drupal/core is an an open source content management platform powering millions of websites and applications.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) when using the Drupal.checkPlain() JavaScript function which is used to escape potentially dangerous text before outputting it to HTML (as JavaScript output does not typically go through Twig autoescaping). This function does not correctly handle all methods of injecting malicious HTML.