NamelessMC Nameless up to 2.2.3 default_keywords cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in NamelessMC Nameless up to 2.2.3. Affected is an unknown function. Such manipulation of the argument default_keywords leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-54421. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in NamelessMC Nameless up to 2.2.3. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation of the argument default_keywords with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-54421 since 07/22/2025. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2.2.4 eliminates this vulnerability. Applying the patch 56d35cff9ee944c061791ef478cabd2bed0223c4 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 7.2
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nameless 2.2.4
Patch: 56d35cff9ee944c061791ef478cabd2bed0223c4

Timelineinfo

07/22/2025 CVE reserved
08/18/2025 +27 days Advisory disclosed
08/18/2025 +0 days VulDB entry created
08/21/2025 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-f5rm-w4mx-q7rx
Status: Confirmed

CVE: CVE-2025-54421 (🔒)
GCVE (CVE): GCVE-0-2025-54421
GCVE (VulDB): GCVE-100-320462

Entryinfo

Created: 08/18/2025 19:07
Updated: 08/21/2025 06:04
Changes: 08/18/2025 19:07 (67), 08/21/2025 06:04 (12)
Complete: 🔍
Cache ID: 216::103

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