# CVE-2020-36670: NEX-Forms <= 7.7.1 - Missing Authorization on Various AJAX Actions

> Authenticated subscribers can modify form records, delete files, and change settings due to missing capability checks in NEX-Forms plugin.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 7 Mar 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-934x-9h25-m7fx

## What is CVE-2020-36670?

CVE-2020-36670 is a medium-severity missing authorization vulnerability in webaways NEX-Forms – Ultimate Forms Plugin for WordPress, published on 7 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The NEX-Forms. plugin for WordPress is vulnerable to unauthorized disclosure and modification of data in versions up to, and including 7.7.1 due to missing capability checks on several AJAX actions. This makes it possible for authenticated attackers with subscriber level permissions and above to invoke these functions which can be used to perform actions like modify form submission records, deleting files, sending test emails, modifying plugin settings, and more.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2020-36670?

It affects 1 product.


Products: Basixonline Nex-Forms.

## How do I fix CVE-2020-36670?

No fix has been published for CVE-2020-36670 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36670 being exploited?

There is no known exploitation of CVE-2020-36670 in the wild and no public exploit code.

## Other vulnerabilities in webaways NEX-Forms – Ultimate Forms Plugin for WordPress

- [CVE-2015-9452](https://insights.sbomify.com/CVE-2015-9452/): SQL injection in n/a (critical 9.8)
- [CVE-2022-3142](https://insights.sbomify.com/CVE-2022-3142/): NEX-Forms < 7.9.7 - Authenticated SQLi (high 8.8)
- [CVE-2024-53808](https://insights.sbomify.com/CVE-2024-53808/): WordPress NEX-Forms plugin <= 8.7.8 - SQL Injection vulnerability (high 8.5)
- [CVE-2023-50838](https://insights.sbomify.com/CVE-2023-50838/): WordPress NEX-Forms – Ultimate Form Builder Plugin <= 8.5.5 is vulnerable to SQL Injection (high 7.6)
- [CVE-2021-34675](https://insights.sbomify.com/CVE-2021-34675/): Auth bypass in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36670 and fix it if it is affected.

What it is: CVE-2020-36670 is a medium-severity missing authorization vulnerability in webaways NEX-Forms – Ultimate Forms Plugin for WordPress, published on 7 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-36670 in the wild and no public exploit code.

Affected product: webaways NEX-Forms – Ultimate Forms Plugin for WordPress. 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-2020-36670/ (Markdown: https://insights.sbomify.com/CVE-2020-36670/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36670
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36670
- OSV: https://osv.dev/vulnerability/CVE-2020-36670

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36670/
Summaries are generated and may contain mistakes; the official description above is the record.
