# CVE-2023-6389: WordPress Toolbar <= 2.2.6 - Open Redirect

> Unauthenticated attackers can redirect users to malicious sites via the wptbto parameter in the WordPress Toolbar plugin.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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:** 29 Jan 2024
- **Updated:** 20 Jun 2025
- **Also known as:** GHSA-8622-rmmr-47jv

## What is CVE-2023-6389?

CVE-2023-6389 is a medium-severity vulnerability in Unknown WordPress Toolbar, published on 29 Jan 2024. 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 WordPress Toolbar WordPress plugin through 2.2.6 redirects to any URL via the "wptbto" parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2023-6389?

It affects 1 product.


Products: Abhinavsingh Wordpress Toolbar.

## How do I fix CVE-2023-6389?

No fix has been published for CVE-2023-6389 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6389 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6389 exists.

Public exploit code:

- WordPress Toolbar <= 2.2.6 - Open Redirect (nuclei): http/cves/2023/CVE-2023-6389.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6389 and fix it if it is affected.

What it is: CVE-2023-6389 is a medium-severity vulnerability in Unknown WordPress Toolbar, published on 29 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6389 exists.

Affected product: Unknown WordPress Toolbar. 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-2023-6389/ (Markdown: https://insights.sbomify.com/CVE-2023-6389/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6389
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6389
- OSV: https://osv.dev/vulnerability/CVE-2023-6389

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-6389/
Summaries are generated and may contain mistakes; the official description above is the record.