CVE-2008-4903: Typosphere Typo

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the leave comment (feedback) feature in Typo 5.1.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) comment[author] (Name) and (2) comment[url] (Website) parameters.

Affected products

• Typosphere Typo: up to and including 5.1.3; version 1.6 only; version 1.6.8 only; version 2.0.0 only; version 2.0.1 only; version 2.0.5 only; …

Published 2008-11-04. Last modified 2026-06-16.