# CVE-2022-45447: Path Traversal in M4 PDF plugin for Prestashop sites

> An attacker can read arbitrary files from the server via directory traversal in the M4 PDF plugin for Prestashop.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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:** 20 Sep 2023
- **Updated:** 6 Sep 2024
- **Also known as:** GHSA-g7vq-2xcx-xqqm

## What is CVE-2022-45447?

CVE-2022-45447 is a medium-severity path traversal vulnerability in Prestashop M4 PDF plugin, published on 20 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

M4 PDF plugin for Prestashop sites, in its 3.2.3 version and before, is vulnerable to a directory traversal vulnerability. The “f” parameter is not properly checked in the resource /m4pdf/pdf.php, returning any file given its relative path. An attacker that exploits this vulnerability could download /etc/passwd from the server if the file exists.

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

## Which versions are affected by CVE-2022-45447?

It affects 1 product.


Products: Prestashop M4 Pdf.

## How do I fix CVE-2022-45447?

No fix has been published for CVE-2022-45447 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-45447 being exploited?

There is no known exploitation of CVE-2022-45447 in the wild and no public exploit code.

## Other vulnerabilities in Prestashop M4 PDF plugin

- [CVE-2022-45448](https://insights.sbomify.com/CVE-2022-45448/): Cross-site Scripting in M4 PDF plugin for Prestashop sites (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-45447 and fix it if it is affected.

What it is: CVE-2022-45447 is a medium-severity path traversal vulnerability in Prestashop M4 PDF plugin, published on 20 Sep 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-2022-45447 in the wild and no public exploit code.

Affected product: Prestashop M4 PDF plugin. 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-2022-45447/ (Markdown: https://insights.sbomify.com/CVE-2022-45447/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-45447
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-45447
- OSV: https://osv.dev/vulnerability/CVE-2022-45447

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-45447/
Summaries are generated and may contain mistakes; the official description above is the record.