# CVE-2013-4228: Missing authorization in Organic Groups (OG) module

> Authenticated users can bypass access controls to read content from arbitrary private groups in the Drupal Organic Groups module.

- **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 Feb 2020
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-h4vj-jq9j-frqv

## What is CVE-2013-4228?

CVE-2013-4228 is a medium-severity missing authorization vulnerability in Organic Groups (OG) module, published on 18 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The OG access fields (visibility fields) implementation in Organic Groups (OG) module 7.x-2.x before 7.x-2.3 for Drupal does not properly restrict access to private groups, which allows remote authenticated users to guess node IDs, subscribe to, and read the content of arbitrary private groups via unspecified vectors.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2013-4228?

It affects 1 product.


Products: Organic Groups Project Organic Groups.

## How do I fix CVE-2013-4228?

No fix has been published for CVE-2013-4228 yet. Limit exposure of the affected software until one is available.

## Is CVE-2013-4228 being exploited?

There is no known exploitation of CVE-2013-4228 in the wild and no public exploit code.

## Other vulnerabilities in Organic Groups (OG) module

- [CVE-2013-7065](https://insights.sbomify.com/CVE-2013-7065/): Missing authorization in n/a (medium 5.8)
- [CVE-2013-7068](https://insights.sbomify.com/CVE-2013-7068/): Missing authorization in n/a (medium 4.9)
- [CVE-2008-3094](https://insights.sbomify.com/CVE-2008-3094/): Information disclosure in n/a (medium 4.3)
- [CVE-2012-5539](https://insights.sbomify.com/CVE-2012-5539/): Missing authorization in n/a (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-4228 and fix it if it is affected.

What it is: CVE-2013-4228 is a medium-severity missing authorization vulnerability in Organic Groups (OG) module, published on 18 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2013-4228 in the wild and no public exploit code.

Affected product: Organic Groups (OG) module. 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-2013-4228/ (Markdown: https://insights.sbomify.com/CVE-2013-4228/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-4228
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-4228
- OSV: https://osv.dev/vulnerability/CVE-2013-4228

---
From sbomify Insights: https://insights.sbomify.com/CVE-2013-4228/
Summaries are generated and may contain mistakes; the official description above is the record.