# CVE-2026-85038: B2BKing < 5.2.40 - Unauthenticated B2B Group Assignment and Approval Bypass via Registration Role Selection

> Unauthenticated users can bypass registration controls to assign themselves to restricted B2B groups and skip account approval in the B2BKing WordPress plugin.

- **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:** 6 Sep 2026
- **Updated:** 6 Sep 2026
- **Also known as:** GHSA-v8gg-42jm-2f6p

## What is CVE-2026-85038?

CVE-2026-85038 is a medium-severity missing authorization vulnerability in Unknown B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More, published on 6 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More WordPress plugin before 5.2.40 does not verify that a role selected during registration is one actually offered on the registration form, allowing unauthenticated users to assign themselves to restricted B2B customer groups and to skip the manual account-approval workflow during self-registration.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-85038?


## How do I fix CVE-2026-85038?

No fix has been published for CVE-2026-85038 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-85038 being exploited?

There is no known exploitation of CVE-2026-85038 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85038 and fix it if it is affected.

What it is: CVE-2026-85038 is a medium-severity missing authorization vulnerability in Unknown B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More, published on 6 Sep 2026. 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-2026-85038 in the wild and no public exploit code.

Affected product: Unknown B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More. 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-2026-85038/ (Markdown: https://insights.sbomify.com/CVE-2026-85038/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85038
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85038
- OSV: https://osv.dev/vulnerability/CVE-2026-85038

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-85038/
Summaries are generated and may contain mistakes; the official description above is the record.