VULNERABILITY INTELLIGENCE
CVE-2009-4102
CVSS score9.3 HIGH
EPSS probability3.39%
CISA KEVNot currently listed
Published2009-11-29
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C
Description
Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.
Weakness classification
- CWE-20: Improper Input Validation