# CVE-2023-1191: fastcms ZIP File TemplateController.java path traversal

> Remote attackers with permissions can exploit a path traversal in fastcms ZIP file handling to read or modify arbitrary files.

- **Severity:** Medium 4.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Mar 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-cw45-5qrw-cf7x

## What is CVE-2023-1191?

CVE-2023-1191 is a medium-severity path traversal vulnerability in fastcms, published on 6 Mar 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability classified as problematic has been found in fastcms. This affects an unknown part of the file admin/TemplateController.java of the component ZIP File Handler. The manipulation leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-222363.

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

## Which versions are affected by CVE-2023-1191?

It affects 1 product.


Products: Xjd2020 Fastcms.

## How do I fix CVE-2023-1191?

No fix has been published for CVE-2023-1191 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1191 being exploited?

There is no known exploitation of CVE-2023-1191 in the wild and no public exploit code.

## Other vulnerabilities in fastcms

- [CVE-2026-26682](https://insights.sbomify.com/CVE-2026-26682/): An issue in fastCMS before v.0.1.6 allows a local attacker to execute arbitrary code via the PluginController.java component (high 7.8)
- [CVE-2022-4300](https://insights.sbomify.com/CVE-2022-4300/): FastCMS Template edit injection (medium 6.3)
- [CVE-2025-2593](https://insights.sbomify.com/CVE-2025-2593/): FastCMS list sql injection (medium 5.3)
- [CVE-2024-7733](https://insights.sbomify.com/CVE-2024-7733/): FastCMS New Article Category Page cross site scripting (medium 5.3)
- [CVE-2023-1111](https://insights.sbomify.com/CVE-2023-1111/): FastCMS New Article Tab cross site scripting (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1191 and fix it if it is affected.

What it is: CVE-2023-1191 is a medium-severity path traversal vulnerability in fastcms, published on 6 Mar 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1191 in the wild and no public exploit code.

Affected product: fastcms. 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-2023-1191/ (Markdown: https://insights.sbomify.com/CVE-2023-1191/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1191
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1191
- OSV: https://osv.dev/vulnerability/CVE-2023-1191

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1191/
Summaries are generated and may contain mistakes; the official description above is the record.