MyBB versions prior to 1.8.11 suffer from a directory traversal vulnerability.
dbf0e2512ca759d8dd910d1da5c2a2bf#################################
Description:
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product:MyBB
Homepage:https://mybb.com/
vulnerable version:<1.8.11
Severity:Low risk
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Proof of Concept:
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vulnerability address:http://127.0.0.1/mybb_1810/Upload/admin/index.php?module=config-smilies&action=add_multiple
vulnerability file directory:/webroot/mybb_1810/Upload/admin/modules/config/smilies.php
vulnerability Code:
Line 326 $path = $mybb->input['pathfolder'];
Line 327 $dir = @opendir(MYBB_ROOT.$path);
if we input "pathfolder" to "../../bypass/smile",Directory Traversal success!
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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