# CVE-2023-2276: Auth bypass in WCFM Membership – WooCommerce Memberships for Multivendor Marketplace

> Unauthenticated attackers can change arbitrary user passwords via insecure direct object references, potentially taking over administrator accounts.

- **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:** 20 May 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-6j68-445j-4cr6

## What is CVE-2023-2276?

CVE-2023-2276 is a critical authentication bypass vulnerability in wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace, published on 20 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The WCFM Membership – WooCommerce Memberships for Multivendor Marketplace plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.10.7. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for unauthenticated attackers to change user passwords and potentially take over administrator accounts.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2023-2276?

It affects 1 product.


Products: Wclovers Wcfm Membership.

## How do I fix CVE-2023-2276?

No fix has been published for CVE-2023-2276 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2276 being exploited?

There is no known exploitation of CVE-2023-2276 in the wild and no public exploit code.

## Other vulnerabilities in wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace

- [CVE-2022-4939](https://insights.sbomify.com/CVE-2022-4939/): WCFM Membership <= 2.10.0 - Unauthenticated Privilege Escalation (critical 9.8)
- [CVE-2022-4940](https://insights.sbomify.com/CVE-2022-4940/): WCFM Membership <= 2.10.0 - Missing Authorization (high 7.3)
- [CVE-2022-4941](https://insights.sbomify.com/CVE-2022-4941/): WCFM Membership <= 2.9.10 - Cross-Site Request Forgery (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2276 and fix it if it is affected.

What it is: CVE-2023-2276 is a critical authentication bypass vulnerability in wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace, published on 20 May 2023. 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-2023-2276 in the wild and no public exploit code.

Affected product: wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace. 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-2023-2276/ (Markdown: https://insights.sbomify.com/CVE-2023-2276/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2276
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2276
- OSV: https://osv.dev/vulnerability/CVE-2023-2276

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-2276/
Summaries are generated and may contain mistakes; the official description above is the record.