CVE-2007-1256: Mozilla Firefox

Medium severity, CVSS 6.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Mozilla Firefox 2.0.0.2 allows remote attackers to spoof the address bar, favicons, and document source, and perform updates in the context of arbitrary websites, by repeatedly setting document.location in the onunload attribute when linking to another website, a variant of CVE-2007-1092.

Affected products

• Mozilla Firefox: version 2.0 only; version 2.0.0.1 only; version 2.0.0.2 only

Published 2007-03-03. Last modified 2026-06-16.