SQL injection vulnerability in the users data handler in MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
http://www.securityfocus.com/bid/94396
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/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/
Source: Mitre, NVD
Published: 2017-01-31
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
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: 0.03692