# CVE-2024-9890: User Toolkit <= 1.2.3 - Authenticated (Subscriber+) Authentication Bypass

> Authenticated subscribers can bypass authentication to log in as any user, including administrators, due to improper capability checks.

- **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:** 26 Oct 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-wvxc-2969-v7x4

## What is CVE-2024-9890?

CVE-2024-9890 is a high-severity authentication bypass vulnerability in deryck User Toolkit, published on 26 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The User Toolkit plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.2.3. This is due to an improper capability check in the 'switchUser' function. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator. CVE-2024-50503 may be a duplicate.

Weakness: CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2024-9890?


## How do I fix CVE-2024-9890?

No fix has been published for CVE-2024-9890 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-9890 being exploited?

There is no known exploitation of CVE-2024-9890 in the wild and no public exploit code.

Public exploit code:

- User Toolkit <= 1.2.3 - Authenticated (Subscriber+) Authentication Bypass (github_poc): https://github.com/RandomRobbieBF/CVE-2024-9890

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-9890 and fix it if it is affected.

What it is: CVE-2024-9890 is a high-severity authentication bypass vulnerability in deryck User Toolkit, published on 26 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-9890 in the wild and no public exploit code.

Affected product: deryck User Toolkit. 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-2024-9890/ (Markdown: https://insights.sbomify.com/CVE-2024-9890/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-9890
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9890
- OSV: https://osv.dev/vulnerability/CVE-2024-9890

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-9890/
Summaries are generated and may contain mistakes; the official description above is the record.