JVN#64354801 b2evolution cross-site scripting vulnerability

Overview

b2evolution, a blog publishing system, contains a cross-site scripting vulnerability.

Products Affected

b2evolution Version 1.9.1 beta and earlier
b2evolution Version 1.8.6 and earlier

Description

Impact

An arbitrary script may be executed on the user's web browser. If session information from a cookie is leaked, session hijacking could be conducted.

Solution

Vendor Status

Vendor	Link
b2evolution	Downloading & installing b2evolution

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.01.26

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

Daiki Fukumori of Secure Sky Technology, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia	JVNDB-2007-000090