# CVE-2023-48965: File upload in n/a

> Attackers can achieve remote code execution by uploading a malicious PHP file via a crafted URL in the ThinkAdmin admin API.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 4 Dec 2023
- **Updated:** 26 Nov 2024
- **Also known as:** GHSA-4rmh-8m7w-7535

## What is CVE-2023-48965?

CVE-2023-48965 is a high-severity vulnerability in n/a, published on 4 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An issue in the component /admin/api.plugs/script of ThinkAdmin v6.1.53 allows attackers to getshell via providing a crafted URL to download a malicious PHP file.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-48965?

It affects 1 product.


Products: Thinkadmin Thinkadmin.

## How do I fix CVE-2023-48965?

No fix has been published for CVE-2023-48965 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-48965 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-48965 exists.

## Other vulnerabilities in n/a

- [CVE-2020-23653](https://insights.sbomify.com/CVE-2020-23653/): ThinkAdmin insecure unserialize vulnerability (critical 9.8)
- [CVE-2019-11018](https://insights.sbomify.com/CVE-2019-11018/): ThinkAdmin Administrator cookies still working after password change (critical 9.8)
- [CVE-2023-48966](https://insights.sbomify.com/CVE-2023-48966/): ThinkAdmin arbitrary file upload vulnerability (high 8.8)
- [CVE-2020-35296](https://insights.sbomify.com/CVE-2020-35296/): ThinkAdmin Admin Panel Access using Default Credentials (high 7.5)
- [CVE-2020-25540](https://insights.sbomify.com/CVE-2020-25540/): ThinkAdmin directory traversal vulnerability (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-48965 and fix it if it is affected.

What it is: CVE-2023-48965 is a high-severity vulnerability in n/a, published on 4 Dec 2023. 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-2023-48965 exists.

Affected product: n/a. 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-2023-48965/ (Markdown: https://insights.sbomify.com/CVE-2023-48965/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-48965
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-48965
- OSV: https://osv.dev/vulnerability/CVE-2023-48965

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-48965/
Summaries are generated and may contain mistakes; the official description above is the record.