MyBB Upcoming Events Plugin 1.32 - Cross-Site Scripting

CVE	Category	Price	Severity
CVE-2019-9650	CWE-79	$500	High

Author	Risk	Exploitation Type	Date
CyberHax	High	Remote	2019-03-27

CVSS	EPSS	EPSSP
Not provided	0.02192	0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2019030227

Below is a copy:

MyBB Upcoming Events Plugin 1.32 - Cross-Site Scripting

# Exploit Title: MyBB Upcoming Events Plugin 1.32 - Cross-Site Scripting
# Date: 3/8/2019
# Author: Hacker0Seven
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1231
# Version: 1.32
# Tested on: Ubuntu 18.04
# CVE: CVE-2019-9650


1. Description:
This plugin shows upcoming calendar events on the forum index and portal page. Event names are vulnerable to XSS.
 

2. Proof of Concept:

- Go to the calander.php page and add a new event
- Input a payload for the event name   <script>alert('XSS')</script>

Payload will be executed on index.php



3. Solution:
Update to 1.33

This information is provided for TESTING and LEGAL RESEARCH purposes only.
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