esoTalk 1.0.0g4 Cross Site Scripting

`Security Advisory - Curesec Research Team  
  
1. Introduction  
  
Affected Product: esoTalk 1.0.0g4  
Fixed in: not fixed  
Fixed Version Link: n/a  
Vendor Contact: [email protected]  
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  
  
  
`