CVE-2025-30158

Name: CVE-2025-30158
Creator: NVD / NIST
Published: 2025-04-18T16:15:22.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2025-30158 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS Probability

0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Namelessmc	Nameless	< 2.2.0

References

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

Timeline

Published: Apr 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-30158?

How severe is CVE-2025-30158?

CVE-2025-30158 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2025-30158?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-30158?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST