CVE-2007-0995: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.2% chance of exploitation in the next 30 days.

Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 ignores trailing invalid HTML characters in attribute names, which allows remote attackers to bypass content filters that use regular expressions.

Affected products

• Mozilla Firefox: version 1.5.0.10 only; version 2.0 only; version 2.0.0.1 only
• Mozilla Seamonkey: up to and including 1.0.7

Published 2007-02-26. Last modified 2026-06-16.