CVE-2011-2370: Mozilla Firefox

Medium severity, CVSS 5.0. EPSS: 1% chance of exploitation in the next 30 days.

Mozilla Firefox before 5.0 does not properly enforce the whitelist for the xpinstall functionality, which allows remote attackers to trigger an installation dialog for a (1) add-on or (2) theme via unspecified vectors.

Affected products

• Mozilla Firefox: up to and including 4.0.1; 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 2011-06-30. Last modified 2026-06-16.