# CVE-2023-3460: Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation

> Unauthenticated attackers can create administrator accounts due to missing capability checks in the Ultimate Member WordPress plugin.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Jul 2023
- **Updated:** 25 Nov 2024
- **Also known as:** GHSA-77j3-wqmc-3rp8

## What is CVE-2023-3460?

CVE-2023-3460 is a critical vulnerability in Unknown Ultimate Member, published on 4 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.

## Which versions are affected by CVE-2023-3460?

It affects 1 product.


Products: Ultimatemember Ultimate Member.

## How do I fix CVE-2023-3460?

No fix has been published for CVE-2023-3460 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3460 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3460 exists.

Public exploit code:

- Exploit for CVE-2023-3460. Unauthorized admin access for Ultimate Member plugin < v2.6.7 (github_poc): https://github.com/gbrsh/CVE-2023-3460
- Exploit and scanner for CVE-2023-3460 (github_poc): https://github.com/diego-tella/CVE-2023-3460
- Exploit for the vulnerability of Ultimate Member Plugin. (github_poc): https://github.com/Rajneeshkarya/CVE-2023-3460
- https://github.com/GURJOTEXPERT/CVE-2023-3460 (github_poc): https://github.com/GURJOTEXPERT/CVE-2023-3460
- https://github.com/rizqimaulanaa/CVE-2023-3460 (github_poc): https://github.com/rizqimaulanaa/CVE-2023-3460
- Mass CVE-2023-3460. (github_poc): https://github.com/yon3zu/Mass-CVE-2023-3460

## Other vulnerabilities in Unknown Ultimate Member

- [CVE-2020-36155](https://insights.sbomify.com/CVE-2020-36155/): Privilege escalation in n/a (critical 10.0)
- [CVE-2020-36157](https://insights.sbomify.com/CVE-2020-36157/): Privilege escalation in n/a (critical 10.0)
- [CVE-2020-36156](https://insights.sbomify.com/CVE-2020-36156/): Privilege escalation in n/a (critical 9.9)
- [CVE-2024-1071](https://insights.sbomify.com/CVE-2024-1071/): SQL injection in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin (critical 9.8)
- [CVE-2019-10270](https://insights.sbomify.com/CVE-2019-10270/): Auth bypass in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3460 and fix it if it is affected.

What it is: CVE-2023-3460 is a critical vulnerability in Unknown Ultimate Member, published on 4 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3460 exists.

Affected product: Unknown Ultimate Member. 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-2023-3460/ (Markdown: https://insights.sbomify.com/CVE-2023-3460/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3460
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3460
- OSV: https://osv.dev/vulnerability/CVE-2023-3460

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3460/
Summaries are generated and may contain mistakes; the official description above is the record.