XSS in Namelessmc Nameless
CVE-2025-54117
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (30.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Namelessmc Nameless — versions < 2.2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-54117?
- CVE-2025-54117 is a critical-severity vulnerability in Namelessmc Nameless, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2025-08-18.
- How severe is CVE-2025-54117?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2025-54117 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.