PyPi: Lxml

CVE-2018-19787

Safety vulnerability ID: 50747

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Dec 02, 2018 Updated at May 13, 2024

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Advisory

Lxml 4.2.5 includes a fix for CVE-2018-19787: lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.

Affected package

lxml

Latest version: 5.2.2

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

MEDIUM 6.1

CVSS v3 Details

MEDIUM 6.1

Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality Impact (C): LOW
Integrity Impact (I): LOW
Availability Availability (A): NONE

CVSS v2 Details

MEDIUM 4.3

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): NONE
Integrity Impact (I): PARTIAL
Availability Impact (A): NONE