CVE-2010-2479: Htmlpurifier

Medium severity, CVSS 4.3. EPSS: 2% chance of exploitation in the next 30 days.

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.

Affected products

• Htmlpurifier Htmlpurifier: up to and including 4.1.0; 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; …
• Mahara Mahara: up to and including 1.0.14; version 0.9.0 only; version 0.9.1 only; version 0.9.2 only; version 1.0.0 only; version 1.0.1 only; …

Published 2010-07-06. Last modified 2026-06-16.