CVE-2014-3146 Affecting lxml package, versions <3.3.5-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
6.33% (93rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-LXML-19222752
  • published23 Aug 2026
  • disclosed14 May 2014

Introduced: 14 May 2014

CVE-2014-3146  (opens in a new tab)

How to fix?

Upgrade Echo:latest lxml to version 3.3.5-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lxml package and not the lxml package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.

CVSS Base Scores

version 3.1