# CVE-2023-2087: Essential Blocks <= 4.0.6 - Cross-Site Request Forgery via save

> Attackers can trick administrators into changing plugin settings via forged requests, requiring an upgrade to fix.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Jun 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-q47v-h75g-pf54

## What is CVE-2023-2087?

CVE-2023-2087 is a medium-severity vulnerability in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns, published on 9 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Essential Blocks plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.0.6. This is due to missing or incorrect nonce validation on the save function. This makes it possible for unauthenticated attackers to change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2023-2087?

It affects 1 product.


Products: Wpdeveloper Essential Blocks.

## How do I fix CVE-2023-2087?

No fix has been published for CVE-2023-2087 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2087 being exploited?

There is no known exploitation of CVE-2023-2087 in the wild and no public exploit code.

## Other vulnerabilities in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns

- [CVE-2023-6623](https://insights.sbomify.com/CVE-2023-6623/): Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion (critical 9.8)
- [CVE-2023-4386](https://insights.sbomify.com/CVE-2023-4386/): Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries (high 8.1)
- [CVE-2023-4402](https://insights.sbomify.com/CVE-2023-4402/): Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products (high 8.1)
- [CVE-2022-47594](https://insights.sbomify.com/CVE-2022-47594/): WordPress Essential Blocks for Gutenberg plugin <= 3.8.5 - Broken Access Control (medium 6.5)
- [CVE-2023-51360](https://insights.sbomify.com/CVE-2023-51360/): WordPress Essential Blocks plugin <= 4.2.0 - Multiple Subscriber+ Broken Access Control vulnerability (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2087 and fix it if it is affected.

What it is: CVE-2023-2087 is a medium-severity vulnerability in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns, published on 9 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-2087 in the wild and no public exploit code.

Affected product: wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns. 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-2023-2087/ (Markdown: https://insights.sbomify.com/CVE-2023-2087/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2087
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2087
- OSV: https://osv.dev/vulnerability/CVE-2023-2087

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-2087/
Summaries are generated and may contain mistakes; the official description above is the record.