CVE-2010-1197: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

Mozilla Firefox 3.5.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, does not properly handle situations in which both "Content-Disposition: attachment" and "Content-Type: multipart" are present in HTTP headers, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an uploaded HTML document.

Affected products

• Mozilla Firefox: version 3.5 only; version 3.5.1 only; version 3.5.2 only; version 3.5.3 only; version 3.5.4 only; version 3.5.5 only; …
• Mozilla Seamonkey: up to and including 2.0.4; 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 2010-06-24. Last modified 2026-06-16.