CVE-2010-4567: Mozilla Bugzilla

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Bugzilla before 3.2.10, 3.4.x before 3.4.10, 3.6.x before 3.6.4, and 4.0.x before 4.0rc2 does not properly handle whitespace preceding a (1) javascript: or (2) data: URI, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the URL (aka bug_file_loc) field.

Affected products

• Mozilla Bugzilla: up to and including 3.2.9; version 2.0 only; version 2.2 only; version 2.4 only; version 2.6 only; version 2.8 only; …

Published 2011-01-28. Last modified 2026-06-16.