Vulnerability Database

299,749

Total vulnerabilities in the database

CVE-2016-9403

newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impact by leveraging a missing permission check.

Published: Jan 31, 2017
Updated: Nov 9, 2025
CVE: CVE-2016-9403
Severity: High
Exploit:

CVSS v2:

Severity: High
Score: 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

CWE-264

Affected Software
References

Software	From	Fixed in
mybb / mybb	-	1.8.6.x
mybb / merge_system	-	1.8.6.x

http://www.openwall.com/lists/oss-security/2016/11/10/8
http://www.openwall.com/lists/oss-security/2016/11/18/1
http://www.securityfocus.com/bid/94395
https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/

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