# CVE-2023-23730: WordPress Spectra – WordPress Gutenberg Blocks plugin <= 2.3.0 - Captcha Bypass Vulnerability

> Attackers can bypass captcha protection in the Spectra WordPress plugin, allowing excessive authentication attempts without restriction.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 3 Jun 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-x6pp-hp65-c29v

## What is CVE-2023-23730?

CVE-2023-23730 is a medium-severity vulnerability in Brainstorm Force Spectra, published on 3 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Restriction of Excessive Authentication Attempts vulnerability in Brainstorm Force Spectra allows Functionality Bypass.This issue affects Spectra: from n/a through 2.3.0.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2023-23730?

It affects 1 product.


Products: Brainstormforce Spectra.

## How do I fix CVE-2023-23730?

No fix has been published for CVE-2023-23730 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-23730 being exploited?

There is no known exploitation of CVE-2023-23730 in the wild and no public exploit code.

## Other vulnerabilities in Brainstorm Force Spectra

- [CVE-2023-36679](https://insights.sbomify.com/CVE-2023-36679/): WordPress Spectra plugin <= 2.6.6 - Server Side Request Forgery (SSRF) vulnerability (high 7.1)
- [CVE-2024-7590](https://insights.sbomify.com/CVE-2024-7590/): WordPress Spectra plugin<= 2.14.1 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2023-49833](https://insights.sbomify.com/CVE-2023-49833/): WordPress Spectra Plugin <= 2.7.9 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)
- [CVE-2024-10484](https://insights.sbomify.com/CVE-2024-10484/): Cross-site scripting in Spectra Gutenberg Blocks – Website Builder for the Block Editor (medium 6.4)
- [CVE-2024-4366](https://insights.sbomify.com/CVE-2024-4366/): Spectra – WordPress Gutenberg Blocks <= 2.13.0 - Authenticated (Author+) Stored Cross-Site Scripting (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-23730 and fix it if it is affected.

What it is: CVE-2023-23730 is a medium-severity vulnerability in Brainstorm Force Spectra, published on 3 Jun 2024. 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-2023-23730 in the wild and no public exploit code.

Affected product: Brainstorm Force Spectra. 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-2023-23730/ (Markdown: https://insights.sbomify.com/CVE-2023-23730/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-23730
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-23730
- OSV: https://osv.dev/vulnerability/CVE-2023-23730

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-23730/
Summaries are generated and may contain mistakes; the official description above is the record.