# CVE-2025-9407: mtons mblog profile cross site scripting

> Remote attackers can inject malicious scripts via the profile signature field in mtons mblog, potentially leading to session hijacking or code execution.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 Aug 2025
- **Updated:** 25 Aug 2025
- **Also known as:** GHSA-f8xc-4qvv-m4c8

## What is CVE-2025-9407?

CVE-2025-9407 is a medium-severity cross-site scripting vulnerability in mtons mblog, published on 25 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A flaw has been found in mtons mblog up to 3.5.0. Affected by this vulnerability is an unknown functionality of the file /settings/profile. Executing manipulation of the argument signature can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used. Other parameters might be affected as well.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-9407?

It affects 1 product.


Products: Mtons Mblog.

## How do I fix CVE-2025-9407?

No fix has been published for CVE-2025-9407 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9407 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9407 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-2025-9005](https://insights.sbomify.com/CVE-2025-9005/): mtons mblog register information exposure (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)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9407 and fix it if it is affected.

What it is: CVE-2025-9407 is a medium-severity cross-site scripting vulnerability in mtons mblog, published on 25 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9407 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-2025-9407/ (Markdown: https://insights.sbomify.com/CVE-2025-9407/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9407
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9407
- OSV: https://osv.dev/vulnerability/CVE-2025-9407

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9407/
Summaries are generated and may contain mistakes; the official description above is the record.