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vendor:
MyBB
by:
None
7,5
CVSS
HIGH
Cross-Site Scripting (XSS)
79
CWE
Product Name: MyBB
Affected Version From: <1.8.11
Affected Version To: <1.8.11
Patch Exists: YES
Related CWE: None
CPE: a:mybb:mybb
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: None
2017

MyBB XSS Vulnerability

A Cross-Site Scripting (XSS) vulnerability exists in MyBB versions <1.8.11. An attacker can post a thread or reply any thread with a malicious payload, which when hovered by a user, will execute the malicious code.

Mitigation:

Upgrade to version 1.8.11 or later.
Source

Exploit-DB raw data:

Description:
============

product:MyBB
Homepage:https://mybb.com/
vulnerable  version:<1.8.11
Severity:High risk

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

Proof of Concept:
=============

1.post a thread or reply any thread ,write:

[email=2"onmouseover="alert(document.location)]hover me[/email]

then when user’s mouse hover it,XSS attack will occur!

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

Fixed:
============

This vulnerability was fixed in version 1.8.11

https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/

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

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