# CVE-2021-24639: OMGF < 4.5.4 - Subscriber+ Arbitrary File/Folder Deletion

> Authenticated users can delete arbitrary files or folders on the server due to missing authorization and path validation checks.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H`)
- **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 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-9w5p-x556-4j8v

## What is CVE-2021-24639?

CVE-2021-24639 is a high-severity missing authorization vulnerability in Unknown OMGF | Host Google Fonts Locally, published on 20 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The OMGF WordPress plugin before 4.5.4 does not enforce path validation, authorisation and CSRF checks in the omgf_ajax_empty_dir AJAX action, which allows any authenticated users to delete arbitrary files or folders on the server.

Weakness: CWE-862 (Missing Authorization), CWE-352 (Cross-Site Request Forgery), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2021-24639?

It affects 1 product.


Products: Ffw Omgf.

## How do I fix CVE-2021-24639?

No fix has been published for CVE-2021-24639 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24639 being exploited?

There is no known exploitation of CVE-2021-24639 in the wild and no public exploit code.

## Other vulnerabilities in Unknown OMGF | Host Google Fonts Locally

- [CVE-2021-24638](https://insights.sbomify.com/CVE-2021-24638/): OMGF < 4.5.4 - Unauthenticated Path Traversal in REST API (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24639 and fix it if it is affected.

What it is: CVE-2021-24639 is a high-severity missing authorization vulnerability in Unknown OMGF | Host Google Fonts Locally, published on 20 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-24639 in the wild and no public exploit code.

Affected product: Unknown OMGF | Host Google Fonts Locally. 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-2021-24639/ (Markdown: https://insights.sbomify.com/CVE-2021-24639/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24639
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24639
- OSV: https://osv.dev/vulnerability/CVE-2021-24639

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24639/
Summaries are generated and may contain mistakes; the official description above is the record.