# CVE-2022-31024: Federated editing allows iframing remote servers by default in richdocuments

> Attackers can trick users into editing documents on remote servers via federated shares, bypassing local security controls in Nextcloud Office.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Jun 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-94hr-7g4v-f53r

## What is CVE-2022-31024?

CVE-2022-31024 is a medium-severity vulnerability in nextcloud security-advisories, published on 2 Jun 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fix for this issue. There are currently no known workarounds available.

Weakness: CWE-346 (Origin Validation Error), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2022-31024?

It affects 1 product.


Products: Nextcloud Richdocuments.

## How do I fix CVE-2022-31024?

No fix has been published for CVE-2022-31024 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-31024 being exploited?

There is no known exploitation of CVE-2022-31024 in the wild and no public exploit code.

## Other vulnerabilities in nextcloud security-advisories

- [CVE-2021-37628](https://insights.sbomify.com/CVE-2021-37628/): File Drop can be bypassed using Richdocuments app in nextcloud (high 7.5)
- [CVE-2023-25150](https://insights.sbomify.com/CVE-2023-25150/): Document content of files can be obtained through Collabora for files of other users (medium 5.8)
- [CVE-2023-28645](https://insights.sbomify.com/CVE-2023-28645/): Secure view can be bypassed by using internal API endpoint in Nextcloud richdocuments (medium 5.7)
- [CVE-2021-37629](https://insights.sbomify.com/CVE-2021-37629/): Lack of ratelimit on Richdocuments OCS endpoint in nextcloud (medium 5.3)
- [CVE-2021-39223](https://insights.sbomify.com/CVE-2021-39223/): File path disclosure of shared files in Richdocuments application (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-31024 and fix it if it is affected.

What it is: CVE-2022-31024 is a medium-severity vulnerability in nextcloud security-advisories, published on 2 Jun 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-31024 in the wild and no public exploit code.

Affected product: nextcloud security-advisories. 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-2022-31024/ (Markdown: https://insights.sbomify.com/CVE-2022-31024/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-31024
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-31024
- OSV: https://osv.dev/vulnerability/CVE-2022-31024

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-31024/
Summaries are generated and may contain mistakes; the official description above is the record.