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CVE-2016-9412

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.1680%
EPSS Percentile8.13th
PublishedJan 31, 2017
Last ModifiedMay 13, 2026

Vulnerability Description

MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allow attackers to have unspecified impact via vectors related to low adminsid and sid entropy.

Affected Platforms (CPE)

📦
Mybb

Merge System

<= 1.8.6
📦
Mybb

Mybb

<= 1.8.6

References & Advisories

🔗 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/
🔗 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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