LiveZilla Reflected XSS in translations Dec 08 2013 11:30PM
zoczus gmail com
Author: Jakub Zoczek [zoczus (at) gmail (dot) com [email concealed]]
CVE Reference: CVE-2013-7002
Product: LiveZilla
Vendor: LiveZilla GmbH [http://livezilla.net]
Affected version:
Severity: Medium
CVSSv2 Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Status: Fixed

0x01 Background

LiveZilla, the widely-used and trusted Live Help and Live Support System.

0x02 Description

LiveZilla in version is prone to Reflected Cross-Site Scripting issue in translation PHP script used to generate JSON with connections between origin and destination languages. Content type is text/html and g_language GET variable is displayed without sanitization, which make the script vulnerable.

0x03 Proof of Concept

><img src=a onerror=alert('XSS')>h

0x04 Fix

Vulnerability was fixed in LiveZilla version.

0x05 Timeline

20.11.2013 - Vendor notified
21.11.2013 - Fix released, vendor responded
09.12.2013 - Public Disclosure

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