CVE-2007-5414: Mozilla Firefox

Low severity, CVSS 2.6. EPSS: 0.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 2.0, when UTF-7 document content is rendered directly in UTF-7, allows remote attackers to inject arbitrary web script or HTML via a gopher URI that uses single quote characters to delimit a literal string within an XSS sequence, a related issue to CVE-2007-5415.

Affected products

• Mozilla Firefox: up to and including 1.8

Published 2007-10-12. Last modified 2026-06-16.