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Date: Wed, 23 Dec 2015 11:52:34 +0100
From: "Curesec Research Team (CRT)" <>
Subject: [FD] esoTalk 1.0.0g4: XSS

Security Advisory - Curesec Research Team

1. Introduction

Affected Product:    esoTalk 1.0.0g4
Fixed in:            not fixed
Fixed Version Link:  n/a
Vendor Contact:
Vulnerability Type:  XSS
Remote Exploitable:  Yes
Reported to vendor:  11/17/2015
Disclosed to public: 12/21/2015
Release mode:        Full Disclosure
CVE:                 n/a
Credits              Tim Coen of Curesec GmbH

2. Overview


Medium 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N


esoTalk is a light-weight forum software written in PHP. In version 1.0.0g4 and
possibly prior versions, there is a reflected XSS vulnerability in the search
because a given URL is echoed unencoded in multiple places.

Successful exploitation may lead to the injection of JavaScript keyloggers, the
stealing of cookies, or the bypassing of CSRF protection.

3. Proof of Concept

http://localhost/esoTalk-1.0.0g4/conversations/a'"><img src=no onerror=alert(1)>?search=test

4. Solution

This issue was not fixed by the vendor.

5. Report Timeline

11/17/2015 Informed Vendor about Issue (no reply)
12/10/2015 Reminded Vendor of Disclosure Date (no reply)
12/21/2015 Disclosed to public

Blog Reference:

Curesec GmbH
Curesec Research Team
Romain-Rolland-Str 14-24
13089 Berlin, Germany

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