CVE-2009-4459: Redmine

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

Redmine 0.8.7 and earlier uses the title tag before defining the character encoding in a meta tag, which allows remote attackers to conduct cross-site scripting (XSS) attacks and inject arbitrary script via UTF-7 encoded values in the title parameter to a new issue page, which may be interpreted as script by Internet Explorer 7 and 8.

Affected products

• Redmine Redmine: up to and including 0.8.7; version 0.1.0 only; version 0.2.1 only; version 0.2.2 only; version 0.3.0 only; version 0.4.0 only; …

Published 2009-12-30. Last modified 2026-06-16.