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Reverse Tabnabbing Affecting showdown package, versions <1.9.1

Severity

 Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team

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  • Snyk ID SNYK-JS-SHOWDOWN-469487
  • published 1 Oct 2019
  • disclosed 3 Oct 2019
  • credit Jammerware
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Introduced: 1 Oct 2019

CVE NOT AVAILABLE CWE-1022 Open this link in a new tab

How to fix?

Upgrade showdown to version 1.9.1 or higher.

Overview

showdown is a JavaScript Markdown to HTML converter.

Affected versions of this package are vulnerable to Reverse Tabnabbing. ​due to the usage of target="_blank" without also adding rel="noopener noreferrer".

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
3.1 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None