PT-2025-33666 · Unknown · Namelessmc

Szczurowsky + 1 · Published 2025-08-18 · Updated 2025-08-23 · CVE-2025-54421

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: NamelessMC versions prior to 2.2.4

Description: NamelessMC is a website software for Minecraft servers. A cross-site scripting (XSS) issue exists in NamelessMC before version 2.2.4, allowing authenticated attackers to inject arbitrary web script or HTML via the default keywords parameter.

Recommendations: Update NamelessMC to version 2.2.4 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-80

CWE-79

Related Identifiers

CVE-2025-54421

GHSA-F5RM-W4MX-Q7RX

Affected Products

Namelessmc

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54421.json · Exploit
• https://github.com/NamelessMC/Nameless/security/advisories/GHSA-f5rm-w4mx-q7rx · Vendor Advisory
• https://github.com/NamelessMC/Nameless/commit/56d35cff9ee944c061791ef478cabd2bed0223c4 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-54421 · Security Note
• https://osv.dev/vulnerability/CVE-2025-54421 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1957482824522514807 · Twitter Post
• https://t.me/CVEtracker/30282 · Telegram Post
• https://twitter.com/CVEnew/status/1957477707870073330 · Twitter Post
• https://twitter.com/cracbot/status/1959209048886346143 · Twitter Post
• https://twitter.com/cracbot/status/1958846668167946629 · Twitter Post