Vulnerability Database

321,491

Total vulnerabilities in the database

CVE-2016-9420

MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to "loose comparison false positives."

Published: Jan 31, 2017
Updated: Nov 9, 2025
CVE: CVE-2016-9420
Severity: High
Exploit:

CVSS v2:

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

CWEs:

CWE-20

Affected Software
References

Software	From	Fixed in
mybb / merge_system	-	1.8.7.x
mybb / mybb	-	1.8.7.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/94396
https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/

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