Iwate Portal Bar vulnerable to arbitrary script execution


Iwate Portal Bar is vulnerable to arbitrary script execution.

Iwate Portal Bar is an add-on to Internet Explorer that adds a toolbar and provides multiple functions. The RSS/Atom feed reader function in Iwate Portal Bar is vulnerable to arbitrary script execution due to the improper processing during HTML page output based on feed information.

Daiki Fukumori of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None

Affected Products

IBC Iwate Broadcasting
  • Iwate Portal Bar


An arbitrary script may be executed on the user's Internet Explorer.

[Do not use Iwate Portal Bar]
Please stop use of Iwate Portal Bar according to the information provided by the developer.
The developer has stopped distributing the product.
Vendor Information

IBC Iwate Broadcasting
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2011-3999

  1. JVN : JVN#33861625
  2. National Vulnerability Database (NVD) : CVE-2011-3999
Revision History

  Web page published