Vulnerability CVE-2009-4101
Published: 2009-11-29   Modified: 2012-02-13

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Didier ernotte -> Inforss 

 References:
https://addons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0
http://xforce.iss.net/xforce/xfdb/54370
http://www.vupen.com/english/advisories/2009/3323
http://secunia.com/advisories/37467
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