Detections
Analytics

CVE-2016-9403

critical

Description

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.

References

http://www.securityfocus.com/bid/94395

http://www.openwall.com/lists/oss-security/2016/11/18/1

http://www.openwall.com/lists/oss-security/2016/11/10/8

https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/

Details

Source: Mitre, NVD

Published: 2017-01-31

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.05329