CVE-2009-3007: Flock

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Mozilla Firefox 3.5.1 and SeaMonkey 1.1.17, and Flock 2.5.1, allow context-dependent attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary file: URL after a victim has visited any file: URL, as demonstrated by a visit to a file: document written by the attacker.

Affected products

• Flock Flock: version 2.5.1 only
• Mozilla Firefox: version 3.5.1 only
• Mozilla Seamonkey: version 1.1.7 only

Published 2009-08-28. Last modified 2026-06-16.