SNS Vulnerability

WordPress Zopim Live Chat Plugin ZeroClipboard Cross-Site Scripting Vulnerability

Description

Henri Salo has discovered a vulnerability in the Zopim Live Chat plugin for WordPress, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed via the "id" parameter to wp-content/plugins/zopim-live-chat/ZeroClipboard.swf is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerability is confirmed in version 1.2.5. Prior versions may also be affected.

Vulnerable Products

Vulnerable Software:
WordPress Zopim Live Chat Plugin 1.x

Solution

Update to version 1.2.6.

CVE

References

Zopim Live Chat:
http://wordpress.org/extend/plugins/zopim-live-chat/changelog/
Henri Salo:
http://www.openwall.com/lists/oss-security/2013/03/10/2

Vulnerability Manager Detection

IPS Protection

ASQ Engine alarm	Available Since
XSS - Prevention - GET : suspicious 'iframe' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'meta' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious tag with event found in URL	3.2.0
XSS - Prevention - GET : javascript code in flash clickTAG parameter	3.2.0
XSS - Prevention - GET : suspicious 'applet' tag found in URL	3.2.0
XSS - Phishing : suspicious 'div' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' attribute found in URL	3.2.0
XSS - Prevention - GET : suspicious 'img' tag found in URL	3.2.0
XSS - Phishing : suspicious 'a' tag found in URL	3.2.0
XSS - Prevention - GET : cookie access attempt using script language found in URL	3.2.0
XSS - Prevention - GET : suspicious 'embed' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'object' tag found in URL	3.2.0
XSS - Phishing : suspicious 'form' tag found in URL	3.2.0
XSS - Prevention - GET : javascript code found in URL	3.2.0
XSS - Prevention - GET : 'script' tag in flash clickTAG parameter	3.2.0
XSS - Prevention - GET : evasion attempt using tag characters encoding in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' tag found in URL	3.2.0
XSS - Phishing : suspicious 'link' tag found in URL	3.2.0
XSS - Prevention - GET : 'script' tag found in URL	3.2.0
XSS - Prevention - GET : 'location' javascript object found in URL	3.2.0
XSS - Prevention - GET : suspicious 'div' tag found in URL	3.2.0
XSS : ZeroClipboard cross-site scripting vulnerability	5.0.0
SQL injection Prevention - GET : Evasion attempt with CAST and EXEC statements	5.0.0

Risk level

Low

Vulnerability First Public Report Date

2013-03-12

Target Type

Server

Possible exploit

Remote