Published:2012/03/09  Last Updated:2012/03/09

SquirrelMail plugin Autocomplete vulnerable to cross-site scripting


The SquirrelMail plugin Autocomplete contains a cross-site scripting vulnerability.

Products Affected

  • SquirrelMail plugin Autocomplete versions prior to 3.0


The Autocomplete plugin in SquirrelMail searches for registered email addresses in user contacts as the user types into specific fields. The Autocomplete plugin contains a cross-site scripting vulnerability.


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 Status

Vendor Link
SquirrelMail Plugins - Autocomplete


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.03.09

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 the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse
  • High

Description of each analysis measures


Masaki Konishi of M&K 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-2012-0323
JVN iPedia JVNDB-2012-000021