CVE-2008-3836: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

feedWriter in Mozilla Firefox before 2.0.0.17 allows remote attackers to execute scripts with chrome privileges via vectors related to feed preview and the (1) elem.doCommand, (2) elem.dispatchEvent, (3) _setTitleText, (4) _setTitleImage, and (5) _initSubscriptionUI functions.

Affected products

• Mozilla Firefox: up to and including 2.0.0.16; version 0.8 only; version 0.9 only; version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; …

Published 2008-09-24. Last modified 2026-06-16.