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Status published
High
CVE-2021-26628
MaxBoard XSS and File Upload Vulnerability
Vulnerability Description
Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
No Vendor Information
View all reports →Affected Software
MaxBoard
Vulnerable Versions:
unspecified
Timeline
Official Publish:
April 26th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
MITRE ATT&CK TTPs
T1189
Drive-by Compromise
Initial Access
T1059.007
JavaScript
Execution
T1539
Steal Web Session Cookie
Collection
T1213
Data from Information Repositories
Collection
T1567
Exfiltration Over Web Service
Exfiltration
T1491.001
Defacement
Impact
T1190
Exploit Public-Facing Application
Initial Access
T1505.003
Web Shell
Persistence
T1105
Ingress Tool Transfer
Command and Control
T1059
Command and Scripting Interpreter
Execution
T1565.002
Stored Data Manipulation
Impact