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exploitdb0xB9EDB-ID:44795
HistoryMay 29, 2018 - 12:00 a.m.

MyBB ChangUonDyU Plugin 1.0.2 - Cross-Site Scripting

2018-05-2900:00:00
0xB9
www.exploit-db.com
32

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

45.3%

# Exploit Title: MyBB ChangUonDyU Advanced Statistics Plugin v1.0.2 - Cross-Site Scripting
# Date: 5/25/2018
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1125
# Version: 1.0.2
# Tested on: Ubuntu 18.04
# CVE: CVE-2018-11532


1. Description:
This plugin displays advanced statistics on the index page such as latest posts with auto refresh using AJAX.
 

 
2. Proof of Concept:
Create a new thread with the following payload as the title  <svg onload=alert('XSS')>

The alert will appear on the index page



3. Solution:
Update to the latest release

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

45.3%