Cross-site Scripting (XSS) Affecting python-bleach package, versions <3.1.3-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.42% (60th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-PYTHONBLEACH-560774
  • published19 Mar 2020
  • disclosed24 Mar 2020

Introduced: 19 Mar 2020

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

How to fix?

Upgrade Debian:unstable python-bleach to version 3.1.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-bleach package and not the python-bleach package as distributed by Debian. See How to fix? for Debian:unstable 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 Base Scores

version 3.1