# CVE-2023-6897: EAN for WooCommerce <= 4.9.2 - Insecure Direct Object Reference to Sensitve Information Exposure via Shortcode

> Authenticated attackers with contributor access can expose sensitive post metadata via an insecure direct object reference in the EAN for WooCommerce plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:** 18 Apr 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-pvqh-8qgj-x6qm

## What is CVE-2023-6897?

CVE-2023-6897 is a medium-severity vulnerability in wpcodefactory EAN Barcode Generator for WooCommerce: UPC, ISBN & GTIN Inventory, published on 18 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The EAN for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.9.2 via the the 'alg_wc_ean_product_meta' shortcode due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to expose potentially sensitive post metadata.

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

## Which versions are affected by CVE-2023-6897?

It affects 1 product.


Products: Wpfactory Ean for Woocommerce.

## How do I fix CVE-2023-6897?

No fix has been published for CVE-2023-6897 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6897 being exploited?

There is no known exploitation of CVE-2023-6897 in the wild and no public exploit code.

## Other vulnerabilities in wpcodefactory EAN Barcode Generator for WooCommerce: UPC, ISBN & GTIN Inventory

- [CVE-2024-34370](https://insights.sbomify.com/CVE-2024-34370/): WordPress EAN for WooCommerce plugin <= 4.8.9 - Arbitrary Option Update to Privilege Escalation vulnerability (high 7.2)
- [CVE-2023-6892](https://insights.sbomify.com/CVE-2023-6892/): Cross-site scripting in EAN Barcode Generator for WooCommerce: UPC, ISBN & GTIN Inventory (medium 6.4)
- [CVE-2023-0062](https://insights.sbomify.com/CVE-2023-0062/): EAN for WooCommerce < 4.4.3 - Contributor+ Stored XSS (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6897 and fix it if it is affected.

What it is: CVE-2023-6897 is a medium-severity vulnerability in wpcodefactory EAN Barcode Generator for WooCommerce: UPC, ISBN & GTIN Inventory, published on 18 Apr 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-2023-6897 in the wild and no public exploit code.

Affected product: wpcodefactory EAN Barcode Generator for WooCommerce: UPC, ISBN & GTIN Inventory. 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-2023-6897/ (Markdown: https://insights.sbomify.com/CVE-2023-6897/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6897
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6897
- OSV: https://osv.dev/vulnerability/CVE-2023-6897

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-6897/
Summaries are generated and may contain mistakes; the official description above is the record.