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

> Attackers can cause denial of service by submitting excessively long search queries due to missing length validation in the forum search parameter.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Apr 2025
- **Updated:** 18 Apr 2025
- **Also known as:** GHSA-4hrq-rf96-c2jm

## What is CVE-2025-29784?

CVE-2025-29784 is a high-severity denial of service vulnerability in NamelessMC Nameless, published on 18 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

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

## Which versions are affected by CVE-2025-29784?

It affects 1 product.


Products: Namelessmc Nameless.

## How do I fix CVE-2025-29784?

No fix has been published for CVE-2025-29784 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-29784 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29784 exists.

## Other vulnerabilities in NamelessMC Nameless

- [CVE-2022-2821](https://insights.sbomify.com/CVE-2022-2821/): Missing Critical Step in Authentication in namelessmc/nameless (critical 9.8)
- [CVE-2025-54117](https://insights.sbomify.com/CVE-2025-54117/): NamelessMC allows Stored Cross-Site Scripting (XSS) in dashboard text editor (critical 9.1)
- [CVE-2025-22144](https://insights.sbomify.com/CVE-2025-22144/): Account Takeover in NamelessMC (critical 9.0)
- [CVE-2025-32389](https://insights.sbomify.com/CVE-2025-32389/): NamelessMC Vulnerable to SQL Injections in /user/messaging and /panel/users/reports Pages (high 8.6)
- [CVE-2025-30357](https://insights.sbomify.com/CVE-2025-30357/): NamelessMC Forum Topic Deletion Triggered by Unrelated User Deletion (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-29784 and fix it if it is affected.

What it is: CVE-2025-29784 is a high-severity denial of service vulnerability in NamelessMC Nameless, published on 18 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29784 exists.

Affected product: NamelessMC Nameless. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-29784/ (Markdown: https://insights.sbomify.com/CVE-2025-29784/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-29784
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-29784
- OSV: https://osv.dev/vulnerability/CVE-2025-29784

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-29784/
Summaries are generated and may contain mistakes; the official description above is the record.
