VULNERABILITY INTELLIGENCE

CVE-2009-4101

CVSS score9.3 HIGH
EPSS probability3.55%
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

infoRSS 1.1.4.2 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

Primary references