CVE-2010-4183: Htmlpurifier

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in HTML Purifier before 4.1.0, when Internet Explorer is used, allow remote attackers to inject arbitrary web script or HTML via a crafted (1) background-image, (2) background, or (3) font-family Cascading Style Sheets (CSS) property, a different vulnerability than CVE-2010-2479.

Affected products

• Htmlpurifier Htmlpurifier: up to and including 4.0.0; version 1.0.0 only; version 1.0.1 only; version 1.1.0 only; version 1.1.1 only; version 1.1.2 only; …

Published 2010-11-05. Last modified 2026-06-16.