CVE-2025-54421 HIGH

CVE-2025-54421: NamelessMC allows Stored Cross Site Scripting (XSS) in SEO component

Vendor Namelessmc
Product Nameless
Weakness CWE-79 · XSS
Published August 18, 2025
Last update August 18, 2025

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 18, 2025 CVE published
August 18, 2025 Record updated