Vulnerability · Published Aug 18, 2025 · Assigned by GitHub_M
CVE-2025-54117NamelessMC allows Stored Cross-Site Scripting (XSS) in dashboard text editor
Critical 9.1
In plain English
A critical-severity cross-site scripting in Nameless from NamelessMC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 67.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
NamelessMC is a free, easy to use & powerful website software for Minecraft servers. Cross-site scripting (XSS) vulnerability in NamelessMC before 2.2.3 allows remote authenticated attackers to inject arbitrary web script or HTML via the dashboard text editor component. This vulnerability is fixed in 2.2.4.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NamelessMC | Nameless | < 2.2.4 |
Weakness: CWE-80, CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H