CVE-2025-29784: nameless Input Validation Flaw

Description

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, the s parameter in GET requests for forum search functionality lacks length validation, allowing attackers to submit excessively long search queries. This oversight can lead to performance degradation and potential denial-of-service (DoS) attacks. This issue has been patched in version 2.2.0.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-130 CWE-130

CWE-1284 CWE-1284

Affected Products

Vendor	Product	Versions
namelessmc	nameless	< 2.2.0

References

Advisories & Patches

https://github.com/NamelessMC/Nameless/commit/f5341e56930a98978171e0a871d60f19ab30ebdd https://github.com/NamelessMC/Nameless/security/advisories/GHSA-4hrq-rf96-c2jm https://github.com/NamelessMC/Nameless/security/advisories/GHSA-4hrq-rf96-c2jm

Exploits

https://github.com/NamelessMC/Nameless/security/advisories/GHSA-4hrq-rf96-c2jm https://github.com/NamelessMC/Nameless/security/advisories/GHSA-4hrq-rf96-c2jm

Other References

https://github.com/NamelessMC/Nameless/releases/tag/v2.2.0

Frequently Asked Questions

What is CVE-2025-29784? +

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, the s parameter in GET requests for forum search functionality lacks length validation, allowing attackers to submit excessively long search queries. This oversight can lead to performance degradation and potential denial-of-service (DoS) attacks. This issue has been patched in version 2.2.0. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-29784? +

CVE-2025-29784 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-29784? +

CVE-2025-29784 affects products from namelessmc, specifically: nameless. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-29784? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-29784