Cross-site Scripting (XSS) Affecting py3-bleach package, versions <3.1.2-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.2% (58th percentile)

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  • Snyk IDSNYK-ALPINE319-PY3BLEACH-6110749
  • published8 Dec 2023
  • disclosed24 Mar 2020

Introduced: 24 Mar 2020

CVE-2020-6816  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 py3-bleach to version 3.1.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream py3-bleach package and not the py3-bleach package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.

CVSS Scores

version 3.1