CVE-2025-54421

Public Exploit
NamelessMC allows Stored Cross Site Scripting (XSS) in SEO component

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory github.com
Affected: NamelessMC Nameless
Published at:
Updated at:

References

Link Tags
https://github.com/NamelessMC/Nameless/security/advisories/GHSA-f5rm-w4mx-q7rx exploit vendor advisory
https://github.com/NamelessMC/Nameless/commit/56d35cff9ee944c061791ef478cabd2bed0223c4 patch

Frequently Asked Questions

What is the severity of CVE-2025-54421?
CVE-2025-54421 has been scored as a high severity vulnerability.
How to fix CVE-2025-54421?
To fix CVE-2025-54421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-54421 being actively exploited in the wild?
It is possible that CVE-2025-54421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-54421?
CVE-2025-54421 affects NamelessMC Nameless.
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