CVE-2012-4189: Mozilla Bugzilla

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

Cross-site scripting (XSS) vulnerability in Bugzilla 4.1.x and 4.2.x before 4.2.4, and 4.3.x and 4.4.x before 4.4rc1, allows remote attackers to inject arbitrary web script or HTML via a field value that is not properly handled during construction of a tabular report, as demonstrated by the Version field.

Affected products

• Mozilla Bugzilla: version 4.1 only; version 4.1.1 only; version 4.1.2 only; version 4.1.3 only; version 4.2 only; version 4.2.1 only; …

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