Detections
Analytics

CVE-2016-9415

high

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."

References

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/

Details

Source: Mitre, NVD

Published: 2017-01-31

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00919