# CVE-2025-27566: Path traversal in a-blog cms

> An authenticated administrator can exploit insufficient path validation in the backup feature to read or delete arbitrary files on the server.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 May 2025
- **Updated:** 19 May 2025
- **Also known as:** GHSA-w57q-v7qr-v5m7

## What is CVE-2025-27566?

CVE-2025-27566 is a medium-severity path traversal vulnerability in appleple inc. a-blog cms, published on 19 May 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Path traversal vulnerability exists in a-blog cms versions prior to Ver. 3.1.43 and versions prior to Ver. 3.0.47. This is an issue with insufficient path validation in the backup feature, and exploitation requires the administrator privilege. If this vulnerability is exploited, a remote authenticated attacker with the administrator privilege may obtain or delete any file on the server.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2025-27566?

It affects 1 product.


Products: Appleple A-Blog Cms.

## How do I fix CVE-2025-27566?

No fix has been published for CVE-2025-27566 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-27566 being exploited?

There is no known exploitation of CVE-2025-27566 in the wild and no public exploit code.

## Other vulnerabilities in appleple inc. a-blog cms

- [CVE-2022-21142](https://insights.sbomify.com/CVE-2022-21142/): Auth bypass in a-blog cms (critical 9.8)
- [CVE-2025-36560](https://insights.sbomify.com/CVE-2025-36560/): Server-side request forgery in a-blog cms (critical 9.2)
- [CVE-2024-23180](https://insights.sbomify.com/CVE-2024-23180/): File upload in a-blog cms (high 8.8)
- [CVE-2024-23348](https://insights.sbomify.com/CVE-2024-23348/): Cross-site scripting in a-blog cms (high 8.8)
- [CVE-2024-23182](https://insights.sbomify.com/CVE-2024-23182/): Path traversal in a-blog cms (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-27566 and fix it if it is affected.

What it is: CVE-2025-27566 is a medium-severity path traversal vulnerability in appleple inc. a-blog cms, published on 19 May 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-27566 in the wild and no public exploit code.

Affected product: appleple inc. a-blog cms. 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-2025-27566/ (Markdown: https://insights.sbomify.com/CVE-2025-27566/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-27566
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-27566
- OSV: https://osv.dev/vulnerability/CVE-2025-27566

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-27566/
Summaries are generated and may contain mistakes; the official description above is the record.