Reservo Image Hosting Script 1.5 - Cross-Site Scripting

# Exploit Title: Reservo Image Hosting Script 1.5 - Cross Site Scripting
# Date: 15-01-2018
# Exploit Author: Dennis Veninga
# Contact Author: d.veninga [at] networking4all.com
# Vendor Homepage: reservo.co
# Version: 1.6
# CVE-ID: CVE-2018-5705

With support for automatic thumbnails & image resizing in over 200 image
formats, robust privacy options, secure image manager, external storage a
feature rich admin area and free migration scripts, Reservo really does
tick every box.


Reservo Image Hosting is vulnerable to XSS attacks. The affected function
is its search engine. Since there is an user/admin login interface, it's
possible for attackers to steal sessions of users and thus admin(s). By
sending users an infected URL, code will be executed.

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PoC:

https://
{{target}}/search/?s=image&t=%27%29%3B%2522%2520style%253D%22%3Cscript%3Ealert%281%29%3C%2Fscript%3E%3C
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Evil javascript code can be inserted and will be executed when visiting the
link