MailDealer vulnerable to cross-site scripting


MailDealer provided by RAKUS Co.,Ltd. contains a persistent cross-site scripting (CWE-79) vulnerability due to a flaw in processing file names of attachments.

Keigo YAMAZAKI of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

RAKUS Co, Ltd.
  • Mail Dealer 11.2.1 and earlier


An arbitrary script 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 Information

RAKUS Co, Ltd.
CWE (What is CWE?)

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

  1. CVE-2015-0915

  1. JVN : JVN#20133698
  2. National Vulnerability Database (NVD) : CVE-2015-0915
Revision History

  • [2015/05/12]
      Web page was published
      References : Content was added