CVE-2025-30158

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.

• CWE-400

• https://github.com/NamelessMC/Nameless/commit/caa42a975338a13fbc1658e8c440108f16135643Patch
• https://github.com/NamelessMC/Nameless/releases/tag/v2.2.0Release Notes
• https://github.com/NamelessMC/Nameless/security/advisories/GHSA-2prx-rgr7-hq5fExploit, Vendor Advisory
• https://github.com/NamelessMC/Nameless/security/advisories/GHSA-2prx-rgr7-hq5fExploit, Vendor Advisory

Published

Apr 18, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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