# CVE-2023-2101: moxi624 Mogu Blog v2 uploadPicsByUrl uploadPictureByUrl absolute path traversal

> Remote attackers can exploit absolute path traversal in Mogu Blog v2 to read or modify files via the uploadPictureByUrl function.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A: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:** 15 Apr 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-cq94-r34h-px95

## What is CVE-2023-2101?

CVE-2023-2101 is a medium-severity path traversal vulnerability in moxi624 Mogu Blog v2, published on 15 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, has been found in moxi624 Mogu Blog v2 up to 5.2. This issue affects the function uploadPictureByUrl of the file /mogu-picture/file/uploadPicsByUrl. The manipulation of the argument urlList leads to absolute path traversal. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-226109 was assigned to this vulnerability.

Weakness: CWE-36 (Absolute Path Traversal)

## Which versions are affected by CVE-2023-2101?

It affects 1 product.


Products: Mogublog Project Mogublog.

## How do I fix CVE-2023-2101?

No fix has been published for CVE-2023-2101 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2101 being exploited?

There is no known exploitation of CVE-2023-2101 in the wild and no public exploit code.

## Other vulnerabilities in moxi624 Mogu Blog v2

- [CVE-2025-13814](https://insights.sbomify.com/CVE-2025-13814/): moxi159753 Mogu Blog v2 uploadPicsByUrl LocalFileServiceImpl.uploadPictureByUrl server-side request forgery (medium 6.9)
- [CVE-2025-13813](https://insights.sbomify.com/CVE-2025-13813/): moxi159753 Mogu Blog v2 Storage Management Endpoint storage authorization (medium 6.3)
- [CVE-2022-30517](https://insights.sbomify.com/CVE-2022-30517/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2025-13815](https://insights.sbomify.com/CVE-2025-13815/): moxi159753 Mogu Blog v2 pictures unrestricted upload (medium 5.3)
- [CVE-2025-13816](https://insights.sbomify.com/CVE-2025-13816/): moxi159753 Mogu Blog v2 ZIP File unzipFile FileOperation.unzip path traversal (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2101 and fix it if it is affected.

What it is: CVE-2023-2101 is a medium-severity path traversal vulnerability in moxi624 Mogu Blog v2, published on 15 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-2101 in the wild and no public exploit code.

Affected product: moxi624 Mogu Blog v2. 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-2023-2101/ (Markdown: https://insights.sbomify.com/CVE-2023-2101/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2101
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2101
- OSV: https://osv.dev/vulnerability/CVE-2023-2101

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2101/
Summaries are generated and may contain mistakes; the official description above is the record.