CVE-2005-1158: Mozilla Firefox

Medium severity, CVSS 5.0. EPSS: 1.2% chance of exploitation in the next 30 days.

Multiple "missing security checks" in Firefox before 1.0.3 allow remote attackers to inject arbitrary Javascript into privileged pages using the _search target of the Firefox sidebar.

Affected products

• Mozilla Firefox: version 0.8 only; version 0.9 only; version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; version 0.10 only; …

Published 2005-05-02. Last modified 2026-06-16.