# CVE-2024-9699: Cross-Site Scripting (XSS) in flatpressblog/flatpress

> An attacker can execute arbitrary JavaScript in the FlatPress CMS admin panel by uploading a file with a malicious filename, potentially compromising user sessions.

- **Severity:** High 7.5 (`CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2025
- **Updated:** 20 Mar 2025
- **Also known as:** GHSA-rqhc-x44r-f23j

## What is CVE-2024-9699?

CVE-2024-9699 is a high-severity cross-site scripting vulnerability in flatpressblog/flatpress, published on 20 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the file upload functionality of the FlatPress CMS admin panel (version latest) allows an attacker to upload a file with a JavaScript payload disguised as a filename. This can lead to a Cross-Site Scripting (XSS) attack if the uploaded file is accessed by other users. The issue is fixed in version 1.4.dev.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2024-9699?

It affects 1 product.


Products: Flatpress Flatpress.

## How do I fix CVE-2024-9699?

No fix has been published for CVE-2024-9699 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-9699 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9699 exists.

## Other vulnerabilities in flatpressblog/flatpress

- [CVE-2022-4606](https://insights.sbomify.com/CVE-2022-4606/): PHP Remote File Inclusion in flatpressblog/flatpress (high 8.8)
- [CVE-2020-22761](https://insights.sbomify.com/CVE-2020-22761/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2024-4023](https://insights.sbomify.com/CVE-2024-4023/): Stored XSS in flatpressblog/flatpress (high 8.1)
- [CVE-2024-41290](https://insights.sbomify.com/CVE-2024-41290/): Information disclosure in n/a (high 8.1)
- [CVE-2023-1104](https://insights.sbomify.com/CVE-2023-1104/): Cross-site Scripting (XSS) - Stored in flatpressblog/flatpress (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-9699 and fix it if it is affected.

What it is: CVE-2024-9699 is a high-severity cross-site scripting vulnerability in flatpressblog/flatpress, published on 20 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9699 exists.

Affected product: flatpressblog/flatpress. 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-2024-9699/ (Markdown: https://insights.sbomify.com/CVE-2024-9699/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-9699
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9699
- OSV: https://osv.dev/vulnerability/CVE-2024-9699

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-9699/
Summaries are generated and may contain mistakes; the official description above is the record.