CVE-2010-0648: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

Mozilla Firefox, possibly before 3.6, allows remote attackers to discover a redirect's target URL, for the session of a specific user of a web site, by placing the site's URL in the HREF attribute of a stylesheet LINK element, and then reading the document.styleSheets[0].href property value, related to an IFRAME element.

Affected products

• Mozilla Firefox: up to and including 3.5.7; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …

Published 2010-02-18. Last modified 2026-06-16.