CVE-2021-26539 (Medium) detected in sanitize-html-1.18.4.tgz - autoclosed

[mend-for-github-com]

CVE-2021-26539 - Medium Severity Vulnerability

Vulnerable Library - sanitize-html-1.18.4.tgz

Clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis

Library home page: https://registry.npmjs.org/sanitize-html/-/sanitize-html-1.18.4.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/sanitize-html/package.json

Dependency Hierarchy:

• jsdoc-rtd-1.0.15.tgz (Root Library)
  • ❌ sanitize-html-1.18.4.tgz (Vulnerable Library)

Found in HEAD commit: ae48634e523ae865a6389d35dfa46c10af7eff72

Found in base branch: master

Vulnerability Details

Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the "allowedIframeHostnames" option.

Publish Date: 2021-02-08

URL: CVE-2021-26539

CVSS 3 Score Details (5.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26539

Release Date: 2021-02-08

Fix Resolution: 2.3.1

[mend-for-github-com]

✔️ This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.