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CVE-2025-29784: NamelessMC Has Lack of Length Validation for s Parameter in GET Requests

7.5 CVSS

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.

Classification

CVE ID: CVE-2025-29784

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

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

Problem Types

CWE-130: Improper Handling of Length Parameter Inconsistency CWE-20: Improper Input Validation CWE-1284: Improper Validation of Specified Quantity in Input

Affected Products

Vendor: NamelessMC

Product: Nameless

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.12% (probability of being exploited)

EPSS Percentile: 32.54% (scored less or equal to compared to others)

EPSS Date: 2025-05-17 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-29784
https://github.com/NamelessMC/Nameless/security/advisories/GHSA-4hrq-rf96-c2jm
https://github.com/NamelessMC/Nameless/commit/f5341e56930a98978171e0a871d60f19ab30ebdd
https://github.com/NamelessMC/Nameless/releases/tag/v2.2.0

Timeline