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List:       full-disclosure
Subject:    [FD] esoTalk 1.0.0g4: XSS
From:       "Curesec Research Team (CRT)" <crt () curesec ! com>
Date:       2015-12-23 10:52:34
Message-ID: 0LvAna-1aJyhk3wry-010P5Q () mrelayeu ! kundenserver ! de
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Security Advisory - Curesec Research Team

1. Introduction

Affected Product:    esoTalk 1.0.0g4
Fixed in:            not fixed
Fixed Version Link:  n/a
Vendor Contact:      toby@esotalk.org
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

CVSS

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

Description

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:
https://blog.curesec.com/article/blog/esoTalk-100g4-XSS-124.html
 
--
blog:  https://blog.curesec.com
tweet: https://twitter.com/curesec

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

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