Unrated severityNVD Advisory· Published Apr 18, 2025· Updated Apr 18, 2025
NamelessMC Forum iframe width/height abuse causing UI-based Denial of Service
CVE-2025-30158
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.
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Affected products
2<=2.1.4+ 1 more
- (no CPE)range: <=2.1.4
- (no CPE)range: < 2.2.0
Patches
Vulnerability mechanics
References
3- github.com/NamelessMC/Nameless/commit/caa42a975338a13fbc1658e8c440108f16135643mitrex_refsource_MISC
- github.com/NamelessMC/Nameless/releases/tag/v2.2.0mitrex_refsource_MISC
- github.com/NamelessMC/Nameless/security/advisories/GHSA-2prx-rgr7-hq5fmitrex_refsource_CONFIRM
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