CVE-2009-3014: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre; SeaMonkey 1.1.17; and Mozilla 1.7.x and earlier do not properly handle javascript: URIs in HTML links within 302 error documents sent from web servers, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Location HTTP response header or (2) specifying the content of a Location HTTP response header.

Affected products

• Mozilla Firefox: up to and including 3.0.13; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …
• Mozilla Mozilla: up to and including 1.7; version 0.8 only; version 0.9.2 only; version 0.9.2.1 only; version 0.9.3 only; version 0.9.4 only; …
• Mozilla Seamonkey: version 1.1.17 only

Published 2009-08-31. Last modified 2026-06-16.