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Status published
High
CVE-2025-54421
NamelessMC allows Stored Cross Site Scripting (XSS) in SEO component
Vulnerability Description
NamelessMC is a free, easy to use & powerful website software for Minecraft servers. Cross-site scripting (XSS) vulnerability in NamelessMC before 2.2.4 allows remote authenticated attackers to inject arbitrary web script or HTML via the default_keywords crafted parameter. This vulnerability is fixed in 2.2.4.
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.
References
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Affected Vendor
NamelessMC
View all reports →Affected Software
Nameless
Vulnerable Versions:
< 2.2.4
Timeline
Official Publish:
August 18th, 2025
Last Modified:
August 18th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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
T1059
Command and Scripting Interpreter
Execution
T1552
Unsecured Credentials
Credential Access
T1071
Application Layer Protocol
Command and Control
T1565
Data Manipulation
Impact