CVE-2016-9415 Information

Description

MyBB (aka MyBulletinBoard) before 1.8.8 on Windows and MyBB Merge System before 1.8.8 on Windows allow remote attackers to overwrite arbitrary CSS files via vectors related to \style import.\

CVSS Vector

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

Reference

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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5