CVE-2007-5459: Itirou Maruta Mouseoverdictionary

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the sidebar HTML page in the MouseoverDictionary before 0.6.2 extension for Mozilla Firefox allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Affected products

• Itirou Maruta Mouseoverdictionary: up to and including 0.6
• Mozilla Firefox: version 2.0 only

Published 2007-10-14. Last modified 2026-06-16.