Published:2012/06/07  Last Updated:2012/06/07

FeedDemon vulnerable to arbitrary script execution


FeedDemon is vulnerable to arbitrary script execution.

Products Affected

  • FeedDemon versions prior to 4.0


FeedDemon is an RSS/Atom feed reader. FeedDemon is vulnerable to arbitrary script execution due to the improper processing during HTML page output based on feed information when using the "feed preview" option.


An arbitrary script embedded in an RSS/Atom feed may be executed on the user's web browser.


Update the software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
FeedDemon FeedDemon - Free Windows RSS Reader


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.06.07

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Mid
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures


Daiki Fukumori of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2012-2634
JVN iPedia JVNDB-2012-000056