# CVE-2021-24279: Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Plugin Installation

> Low-privilege users can install arbitrary plugins via an unprotected AJAX action, potentially leading to code execution.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **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:** 14 May 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-344v-jr69-x57c

## What is CVE-2021-24279?

CVE-2021-24279 is a medium-severity missing authorization vulnerability in Query Solutions Redirection for Contact Form 7, published on 14 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, low level users, such as subscribers, could use the import_from_debug AJAX action to install any plugin from the WordPress repository.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2021-24279?

It affects 1 product.


Products: Querysol Redirection for Contact Form 7.

## How do I fix CVE-2021-24279?

No fix has been published for CVE-2021-24279 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24279 being exploited?

There is no known exploitation of CVE-2021-24279 in the wild and no public exploit code.

## Other vulnerabilities in Query Solutions Redirection for Contact Form 7

- [CVE-2021-24280](https://insights.sbomify.com/CVE-2021-24280/): Redirection for Contact Form 7 < 2.3.4 - Authenticated PHP Object Injection (high 8.8)
- [CVE-2021-24278](https://insights.sbomify.com/CVE-2021-24278/): Redirection for Contact Form 7 < 2.3.4 - Unauthenticated Arbitrary Nonce Generation (high 7.5)
- [CVE-2021-24282](https://insights.sbomify.com/CVE-2021-24282/): Redirection for Contact Form 7 < 2.3.4 - Unprotected AJAX Actions (medium 6.3)
- [CVE-2021-24281](https://insights.sbomify.com/CVE-2021-24281/): Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Post Deletion (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24279 and fix it if it is affected.

What it is: CVE-2021-24279 is a medium-severity missing authorization vulnerability in Query Solutions Redirection for Contact Form 7, published on 14 May 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-2021-24279 in the wild and no public exploit code.

Affected product: Query Solutions Redirection for Contact Form 7. 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-2021-24279/ (Markdown: https://insights.sbomify.com/CVE-2021-24279/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24279
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24279
- OSV: https://osv.dev/vulnerability/CVE-2021-24279

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24279/
Summaries are generated and may contain mistakes; the official description above is the record.