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MEDIUM

GHSA-6rm6-mjmh-86jq

HTML Purifier Cross-site Scripting (XSS) vulnerability

Quick fix

GHSA-6rm6-mjmh-86jq — ezyang/htmlpurifier: upgrade to the fixed version with the command below.

composer require ezyang/htmlpurifier:^4.1.1

Details

Cross-site scripting (XSS) vulnerability in HTML Purifier before 4.1.1, as used in Mahara and other products, when the browser is Internet Explorer, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/ezyang/htmlpurifier
Introduced in: 0Fixed in: 4.1.1
Fixcomposer require ezyang/htmlpurifier:^4.1.1

References