# CVE-2025-9005: mtons mblog register information exposure

> Attackers can extract sensitive information via error messages in the registration module of the mblog web application.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Aug 2025
- **Updated:** 18 Aug 2025
- **Also known as:** GHSA-7396-88fj-pr2x

## What is CVE-2025-9005?

CVE-2025-9005 is a medium-severity vulnerability in mtons mblog, published on 15 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in mtons mblog up to 3.5.0. Affected is an unknown function of the file /register. The manipulation leads to information exposure through error message. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

Weakness: CWE-209 (Generation of Error Message Containing Sensitive Information), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2025-9005?

It affects 1 product.


Products: Mtons Mblog.

## How do I fix CVE-2025-9005?

No fix has been published for CVE-2025-9005 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9005 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9005 exists.

## Other vulnerabilities in mtons mblog

- [CVE-2024-28713](https://insights.sbomify.com/CVE-2024-28713/): File upload in n/a (critical 9.8)
- [CVE-2025-9004](https://insights.sbomify.com/CVE-2025-9004/): mtons mblog password excessive authentication (medium 6.3)
- [CVE-2025-8927](https://insights.sbomify.com/CVE-2025-8927/): mtons mblog Verification Code send_code excessive authentication (medium 6.3)
- [CVE-2024-13198](https://insights.sbomify.com/CVE-2024-13198/): langhsu Mblog Blog System login observable response discrepancy (medium 6.3)
- [CVE-2025-9647](https://insights.sbomify.com/CVE-2025-9647/): mtons mblog list cross site scripting (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9005 and fix it if it is affected.

What it is: CVE-2025-9005 is a medium-severity vulnerability in mtons mblog, published on 15 Aug 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-2025-9005 exists.

Affected product: mtons mblog. 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-2025-9005/ (Markdown: https://insights.sbomify.com/CVE-2025-9005/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9005
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9005
- OSV: https://osv.dev/vulnerability/CVE-2025-9005

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9005/
Summaries are generated and may contain mistakes; the official description above is the record.