Cross-site Scripting (XSS) Affecting python-lxml-debugsource package, versions <0:4.7.1-3.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.66% (86th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2023-PYTHONLXMLDEBUGSOURCE-3341311
  • published6 Mar 2023
  • disclosed13 Dec 2021

Introduced: 13 Dec 2021

CVE-2021-43818  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python-lxml-debugsource to version 0:4.7.1-3.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2023-034.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-lxml-debugsource package and not the python-lxml-debugsource package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.

References

CVSS Base Scores

version 3.1