WS-2021-0011 (Medium) detected in bleach-3.1.0-py2.py3-none-any.whl

[mend-bolt-for-github]

WS-2021-0011 - Medium Severity Vulnerability

Vulnerable Library - bleach-3.1.0-py2.py3-none-any.whl

An easy safelist-based HTML-sanitizing tool.

Library home page: https://files.pythonhosted.org/packages/ab/05/27e1466475e816d3001efb6e0a85a819be17411420494a1e602c36f8299d/bleach-3.1.0-py2.py3-none-any.whl

Path to dependency file: /requirements.txt

Path to vulnerable library: /requirements.txt

Dependency Hierarchy:

• jupyter-1.0.0-py2.py3-none-any.whl (Root Library)
  • nbconvert-5.6.1-py2.py3-none-any.whl
    • ❌ bleach-3.1.0-py2.py3-none-any.whl (Vulnerable Library)

Found in base branch: master

Vulnerability Details

In Mozilla Bleach before 3.3.0, a mutation XSS in bleach.clean when p, br, style, title, noscript, script, textarea, noframes, iframe, or xmp and either svg or math tags are whitelisted and the keyword argument strip_comments=False.

Publish Date: 2021-02-01

URL: WS-2021-0011

CVSS 3 Score Details (6.1)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-vv2x-vrpj-qqpq

Release Date: 2021-02-01

Fix Resolution: bleach - 3.3.0

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