# CVE-2024-49330: WordPress Nice Backgrounds plugin <= 1.0 - Arbitrary File Upload vulnerability

> Attackers can upload malicious web shells via the Nice Backgrounds plugin, leading to remote code execution on the WordPress server.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Oct 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-phq3-8293-gg9j

## What is CVE-2024-49330?

CVE-2024-49330 is a critical vulnerability in brx8r Nice Backgrounds, published on 20 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Unrestricted Upload of File with Dangerous Type vulnerability in brx8r Nice Backgrounds nicebackgrounds allows Upload a Web Shell to a Web Server.This issue affects Nice Backgrounds: from n/a through <= 1.0.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2024-49330?

It affects 1 product.


Products: Brx8r Nice Backgrounds.

## How do I fix CVE-2024-49330?

No fix has been published for CVE-2024-49330 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-49330 being exploited?

There is no known exploitation of CVE-2024-49330 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-49330 and fix it if it is affected.

What it is: CVE-2024-49330 is a critical vulnerability in brx8r Nice Backgrounds, published on 20 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-49330 in the wild and no public exploit code.

Affected product: brx8r Nice Backgrounds. 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-2024-49330/ (Markdown: https://insights.sbomify.com/CVE-2024-49330/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-49330
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-49330
- OSV: https://osv.dev/vulnerability/CVE-2024-49330

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-49330/
Summaries are generated and may contain mistakes; the official description above is the record.