Published:2012/05/25  Last Updated:2012/05/30

Roundcube Webmail vulnerable to cross-site scripting


Roundcube webmail contains a cross-site scripting vulnerability.

Products Affected

  • Roundcube Webmail versions prior to 0.7


Roundcube Webmail is an open source webmail client from the Roundcube Webmail Project. Roundcube Webmail contains a cross-site scripting vulnerability.


An arbitrary script may be executed on the user's Internet Explorer when viewing a specially crafted image file.


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

Vendor Status

Vendor Link
Roundcube Webmail Project Downloading Roundcube Webmail
Roundcube Webmail - changelog


JPCERT/CC Addendum

This JVN publication was delayed to 2012/05/25 after the developer fix was developed. From the fiscal year 2011, JPCERT/CC is using a new vendor coordination procedure. This new procedure came from the recommendation of the fiscal year 2010 "Study Group on Information System Vulnerability Handling" aimed at more timely JVN publications.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.05.25

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


Gaku Mochizuki of Mitsui Bussan Secure Directions, 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-2012-1253
JVN iPedia JVNDB-2012-000050

Update History

Information under the section "Other Information" was added.