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CVE-2025-30158

NamelessMC Forum iframe width/height abuse causing UI-based Denial of Service

Published: Apr 18, 2025Updated: May 13, 2025 Sources: CVE List NVDCWE-400
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.4%
Top 64.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, the forum allows users to post iframe elements inside forum topics/comments/feed with no restriction on the iframe's width and height attributes. This allows an authenticated attacker to perform a UI-based denial of service (DoS) by injecting oversized iframes that block the forum UI and disrupt normal user interactions. This issue has been patched in version 2.2.0.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400NVD-CWE-noinfo

Affected Products

NamelessNamelessMC
On-prem
Web & CMS Plugins / forum-wiki
namelessnamelessmc
On-prem
Web & CMS Plugins / forum-wiki
namelessmcoss-projectWeb & CMS Pluginsaka nameless, namelessmc/nameless

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/NamelessMC/Nameless/security/advisories/GHSA-2prx-rgr7-hq5f
github.com
https://github.com/NamelessMC/Nameless/commit/caa42a975338a13fbc1658e8c440108f16135643
github.com
https://github.com/NamelessMC/Nameless/releases/tag/v2.2.0
github.com

Timeline

Published
Apr 18, 2025
Last Updated
May 13, 2025

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