# CVE-2023-37390: WordPress Themesflat Addons For Elementor Plugin <= 2.0.0 is vulnerable to PHP Object Injection

> An attacker can exploit PHP object injection in the Themesflat Addons for Elementor plugin to potentially execute arbitrary code on the WordPress site.

- **Severity:** High 8.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Dec 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-vv3w-p5xw-r8c3

## What is CVE-2023-37390?

CVE-2023-37390 is a high-severity unsafe deserialization vulnerability in Themesflat Addons For Elementor, published on 19 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Deserialization of Untrusted Data vulnerability in Themesflat Themesflat Addons For Elementor.This issue affects Themesflat Addons For Elementor: from n/a through 2.0.0.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2023-37390?

It affects 1 product.


Products: Themesflat Themesflat Addons for Elementor.

## How do I fix CVE-2023-37390?

No fix has been published for CVE-2023-37390 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-37390 being exploited?

There is no known exploitation of CVE-2023-37390 in the wild and no public exploit code.

## Other vulnerabilities in Themesflat Addons For Elementor

- [CVE-2024-53796](https://insights.sbomify.com/CVE-2024-53796/): WordPress Themesflat Addons For Elementor plugin <= 2.2.2 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-49310](https://insights.sbomify.com/CVE-2024-49310/): WordPress Themesflat Addons For Elementor plugin <= 2.2.0 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-35666](https://insights.sbomify.com/CVE-2024-35666/): WordPress Themesflat Addons For Elementor plugin <= 2.1.2 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-12205](https://insights.sbomify.com/CVE-2024-12205/): Themesflat Addons For Elementor <= 2.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting (medium 6.4)
- [CVE-2024-8515](https://insights.sbomify.com/CVE-2024-8515/): Themesflat Addons For Elementor <= 2.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-37390 and fix it if it is affected.

What it is: CVE-2023-37390 is a high-severity unsafe deserialization vulnerability in Themesflat Addons For Elementor, published on 19 Dec 2023. 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-2023-37390 in the wild and no public exploit code.

Affected product: Themesflat Addons For Elementor. 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-2023-37390/ (Markdown: https://insights.sbomify.com/CVE-2023-37390/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-37390
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-37390
- OSV: https://osv.dev/vulnerability/CVE-2023-37390

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-37390/
Summaries are generated and may contain mistakes; the official description above is the record.