CVE-2025-30158

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

State
Published
Severity
7.1 High
Published
Apr 18, 2025
Updated
Apr 18, 2025
Reserved
Mar 17, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HGitHub_M

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
NamelessNamelessMC
  • < 2.2.0Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.