# CVE-2007-3543: File upload in n/a

> Authenticated users can upload and execute arbitrary PHP code via crafted post metadata in WordPress.

- **Severity:** Medium 6.0 (`AV:N/AC:M/Au:S/C:P/I:P/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 3 Jul 2007
- **Updated:** 7 Aug 2024
- **Also known as:** DEBIAN-CVE-2007-3543, GHSA-mv47-qh9x-3pwh

## What is CVE-2007-3543?

CVE-2007-3543 is a medium-severity vulnerability in Wordpress Wordpress, published on 3 Jul 2007. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Unrestricted file upload vulnerability in WordPress before 2.2.1 and WordPress MU before 1.2.3 allows remote authenticated users to upload and execute arbitrary PHP code by making a post that specifies a .php filename in the _wp_attached_file metadata field; and then sending this file's content, along with its post_ID value, to (1) wp-app.php or (2) app.php.

## Which versions are affected by CVE-2007-3543?

It affects 2 products.


Products: Wordpress Wordpress, Wordpress Wordpress Mu.

## How do I fix CVE-2007-3543?

Upgrade to a fixed version.

## Is CVE-2007-3543 being exploited?

There is no known exploitation of CVE-2007-3543 in the wild and no public exploit code.

## Other vulnerabilities in Wordpress Wordpress

- [CVE-2026-63030](https://insights.sbomify.com/CVE-2026-63030/): WordPress Core Interpretation Conflict (critical 9.8, exploited in the wild)
- [CVE-2026-87902](https://insights.sbomify.com/CVE-2026-87902/): WordPress Core Remote File Inclusion (high 8.1, exploited in the wild)
- [CVE-2026-60137](https://insights.sbomify.com/CVE-2026-60137/): WordPress Core SQL Injection (medium 5.9, exploited in the wild)
- [CVE-2012-2399](https://insights.sbomify.com/CVE-2012-2399/): Cross-site scripting in n/a (critical 10.0)
- [CVE-2012-2400](https://insights.sbomify.com/CVE-2012-2400/): Other in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-3543 and fix it if it is affected.

What it is: CVE-2007-3543 is a medium-severity vulnerability in Wordpress Wordpress, published on 3 Jul 2007. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2007-3543 in the wild and no public exploit code.

Affected product: Wordpress Wordpress. 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-2007-3543/ (Markdown: https://insights.sbomify.com/CVE-2007-3543/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-3543
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-3543
- OSV: https://osv.dev/vulnerability/CVE-2007-3543

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-3543/
Summaries are generated and may contain mistakes; the official description above is the record.