# CVE-2025-5406: chaitak-gorai Blogbook posts.php unrestricted upload

> Attackers can upload malicious files via the admin post interface, potentially leading to remote code execution.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jun 2025
- **Updated:** 2 Jun 2025
- **Also known as:** GHSA-8pmq-59wh-8qf5

## What is CVE-2025-5406?

CVE-2025-5406 is a medium-severity vulnerability in chaitak-gorai Blogbook, published on 1 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, was found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513. Affected is an unknown function of the file /admin/posts.php?source=add_post. The manipulation of the argument image leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2025-5406?

It affects 1 product.


Products: Chaitak-Gorai Blogbook.

## How do I fix CVE-2025-5406?

No fix has been published for CVE-2025-5406 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5406 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5406 exists.

## Other vulnerabilities in chaitak-gorai Blogbook

- [CVE-2025-5400](https://insights.sbomify.com/CVE-2025-5400/): chaitak-gorai Blogbook GET Parameter user.php sql injection (medium 6.9)
- [CVE-2025-5401](https://insights.sbomify.com/CVE-2025-5401/): chaitak-gorai Blogbook GET Parameter post.php sql injection (medium 6.9)
- [CVE-2025-5402](https://insights.sbomify.com/CVE-2025-5402/): chaitak-gorai Blogbook GET Parameter edit_post.php sql injection (medium 6.9)
- [CVE-2025-5403](https://insights.sbomify.com/CVE-2025-5403/): chaitak-gorai Blogbook GET Parameter view_all_posts.php sql injection (medium 5.3)
- [CVE-2025-5404](https://insights.sbomify.com/CVE-2025-5404/): chaitak-gorai Blogbook GET Parameter search.php denial of service (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5406 and fix it if it is affected.

What it is: CVE-2025-5406 is a medium-severity vulnerability in chaitak-gorai Blogbook, published on 1 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5406 exists.

Affected product: chaitak-gorai Blogbook. 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-2025-5406/ (Markdown: https://insights.sbomify.com/CVE-2025-5406/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5406
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5406
- OSV: https://osv.dev/vulnerability/CVE-2025-5406

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-5406/
Summaries are generated and may contain mistakes; the official description above is the record.