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CVE-2018-19787

Public on 2018-12-02
Modified on 2025-02-04
Description

An issue was discovered in lxml before 4.2.5. 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.

Severity
Medium
See what this means
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core python-lxml 2023-02-17 00:12 ALAS2-2023-1956

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
NVD CVSSv3 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N