Back to Database
Status published
Medium
CVE-2016-9409
Cross-site scripting (XSS) vulnerability in the Admin control panel in...
Vulnerability Description
Cross-site scripting (XSS) vulnerability in the Admin control panel in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 might allow remote attackers to inject arbitrary web script or HTML via vectors involving pruning logs.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-9409
Credits & Attribution
No credits recorded in the NVD database.
References
More from mybb
View All →CVE-2025-48941
MyBB may disclosure unviewable threads' titles in searches
Medium
5.3
CVE-2025-48940
MyBB's upgrade component vulnerable to local file inclusion
High
7.2
CVE-2024-23336
Incomplete disallowed remote addresses list in MyBB
Medium
5
CVE-2024-23335
Backups directory .htaccess deletion in. MyBB
Medium
4.7
CVE-2023-46251
Visual editor persistent Cross-site Scripting (XSS) in MyBB
High
7.5
Affected Vendor
mybb
View all reports →Affected Software
merge system, mybb
Vulnerable Versions:
0
Timeline
Official Publish:
January 31st, 2017
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.