# CVE-2025-15147: Missing authorization in WCFM Membership – WooCommerce Memberships for Multivendor Marketplace

> Authenticated attackers can modify other users' membership payments due to missing validation in the WCFM Membership plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **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:** 9 Feb 2026
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-w6mq-qc42-mxqh

## What is CVE-2025-15147?

CVE-2025-15147 is a medium-severity missing authorization vulnerability in wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace, published on 9 Feb 2026. Any signed-in user can exploit it over the network, 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 Reference in all versions up to, and including, 2.11.8 via the 'WCFMvm_Memberships_Payment_Controller::processing' due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify other users' membership payments.

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

## Which versions are affected by CVE-2025-15147?


## How do I fix CVE-2025-15147?

No fix has been published for CVE-2025-15147 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15147 being exploited?

There is no known exploitation of CVE-2025-15147 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15147 and fix it if it is affected.

What it is: CVE-2025-15147 is a medium-severity missing authorization vulnerability in wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace, published on 9 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-15147 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-2025-15147/ (Markdown: https://insights.sbomify.com/CVE-2025-15147/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15147
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15147
- OSV: https://osv.dev/vulnerability/CVE-2025-15147

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-15147/
Summaries are generated and may contain mistakes; the official description above is the record.