JVN#93827000 Tree BBS from Let's PHP! vulnerable to cross-site scripting

Overview

Tree BBS from Let's PHP! contains a cross-site scripting vulnerability.

Products Affected

Tree BBS released on November 23, 2004 and earlier

Description

Tree BBS from Let's PHP! is a tree-structured bulletin board software. Tree BBS contains a cross-site scripting vulnerability.

Impact

An arbitrary script may be executed on the user's web browser.

Solution

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

Vendor Status

Vendor	Link
Let's PHP!	Tree BBS (Japanese Only)

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.06.25

Measures	Conditions	Severity
Access Required	Routed - can be attacked over the Internet using packets	High
Authentication	None - anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	Simple - 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	Medium
Exploit Complexity	Low - little to no expertise and/or luck required to exploit (cross-site scripting)	High

Description of each analysis measures

Credit

Yoshinori Ohta of Business Architects Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2009-2226
JVN iPedia	JVNDB-2009-000044