# CVE-2021-39333: Hashthemes Demo Importer <= 1.1.1 Improper Access Control Allowing Content Deletion

> Logged-in users can delete database tables and upload contents due to improper access control in the Hashthemes Demo Importer plugin.

- **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:** 1 Nov 2021
- **Updated:** 31 Mar 2025
- **Also known as:** GHSA-6vp6-c735-397c

## What is CVE-2021-39333?

CVE-2021-39333 is a high-severity missing authorization vulnerability in Hashthemes Demo Importer, published on 1 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Hashthemes Demo Importer Plugin <= 1.1.1 for WordPress contained several AJAX functions which relied on a nonce which was visible to all logged-in users for access control, allowing them to execute a function that truncated nearly all database tables and removed the contents of wp-content/uploads.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2021-39333?

It affects 1 product.


Products: Hashthemes Hashthemes Demo Importer.

## How do I fix CVE-2021-39333?

No fix has been published for CVE-2021-39333 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-39333 being exploited?

There is no known exploitation of CVE-2021-39333 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-39333 and fix it if it is affected.

What it is: CVE-2021-39333 is a high-severity missing authorization vulnerability in Hashthemes Demo Importer, published on 1 Nov 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-2021-39333 in the wild and no public exploit code.

Affected product: Hashthemes Demo Importer. 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-2021-39333/ (Markdown: https://insights.sbomify.com/CVE-2021-39333/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-39333
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-39333
- OSV: https://osv.dev/vulnerability/CVE-2021-39333

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-39333/
Summaries are generated and may contain mistakes; the official description above is the record.