# CVE-2020-12077: File upload in n/a

> An attacker can achieve remote code execution by exploiting missing nonce and capability checks in AJAX functions of the MapPress plugin.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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:** 23 Apr 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-777c-4g98-pv8r

## What is CVE-2020-12077?

CVE-2020-12077 is a high-severity vulnerability in n/a, published on 23 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The mappress-google-maps-for-wordpress plugin before 2.53.9 for WordPress does not correctly implement AJAX functions with nonces (or capability checks), leading to remote code execution.

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

## Which versions are affected by CVE-2020-12077?

It affects 1 product.


Products: Mappresspro Mappress.

## How do I fix CVE-2020-12077?

No fix has been published for CVE-2020-12077 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-12077 being exploited?

There is no known exploitation of CVE-2020-12077 in the wild and no public exploit code.

Public exploit code:

- MapPress Maps Pro < 2.53.9 - Remote Code Execution (RCE) due to Incorrect Access Control in AJAX Actions (github_poc): https://github.com/RandomRobbieBF/CVE-2020-12077

## Other vulnerabilities in n/a

- [CVE-2020-12675](https://insights.sbomify.com/CVE-2020-12675/): File upload in n/a (high 8.8)
- [CVE-2022-0537](https://insights.sbomify.com/CVE-2022-0537/): MapPress Maps for WordPress < 2.73.13 - Admin+ File Upload to Remote Code Execution (high 7.2)
- [CVE-2023-26015](https://insights.sbomify.com/CVE-2023-26015/): WordPress MapPress Maps for WordPress Plugin <= 2.85.4 is vulnerable to SQL Injection (high 7.1)
- [CVE-2025-2055](https://insights.sbomify.com/CVE-2025-2055/): MapPress Maps for WordPress < 2.94.9 - Contributor+ Stored XSS (medium 6.8)
- [CVE-2024-10715](https://insights.sbomify.com/CVE-2024-10715/): MapPress Maps for WordPress <= 2.94.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Map Block (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-12077 and fix it if it is affected.

What it is: CVE-2020-12077 is a high-severity vulnerability in n/a, published on 23 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-12077 in the wild and no public exploit code.

Affected product: n/a. 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-2020-12077/ (Markdown: https://insights.sbomify.com/CVE-2020-12077/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-12077
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-12077
- OSV: https://osv.dev/vulnerability/CVE-2020-12077

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-12077/
Summaries are generated and may contain mistakes; the official description above is the record.