CVE-2012-4199: Mozilla Bugzilla

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

template/en/default/bug/field-events.js.tmpl in Bugzilla 3.x before 3.6.12, 3.7.x and 4.0.x before 4.0.9, 4.1.x and 4.2.x before 4.2.4, and 4.3.x and 4.4.x before 4.4rc1 generates JavaScript function calls containing private product names or private component names in certain circumstances involving custom-field visibility control, which allows remote attackers to obtain sensitive information by reading HTML source code.

Affected products

• Mozilla Bugzilla: up to and including 3.6.11; version 3.0 only; version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; …

Published 2012-11-16. Last modified 2026-06-16.