CVE-2025-54421: Namelessmc Nameless

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Namelessmc Nameless: before 2.2.4 (fixed in 2.2.4)

Published 2025-08-18. Last modified 2026-06-17.