# CVE-2023-22504: Missing authorization in Confluence Data Center

> Remote attackers with read-only page access can upload attachments due to broken access control, allowing unauthorized data modification.

- **Severity:** Medium 4.3 (`CVSS:3.0/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:** 25 May 2023
- **Updated:** 1 Oct 2024
- **Also known as:** GHSA-hfhf-22gm-76w3

## What is CVE-2023-22504?

CVE-2023-22504 is a medium-severity missing authorization vulnerability in Atlassian Confluence Data Center, published on 25 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Affected versions of Atlassian Confluence Server allow remote attackers who have read permissions to a page, but not write permissions, to upload attachments via a Broken Access Control vulnerability in the attachments feature.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-22504?

It affects 1 product.


Products: Atlassian Confluence Server.

## How do I fix CVE-2023-22504?

No fix has been published for CVE-2023-22504 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-22504 being exploited?

There is no known exploitation of CVE-2023-22504 in the wild and no public exploit code.

## Other vulnerabilities in Atlassian Confluence Data Center

- [CVE-2019-3396](https://insights.sbomify.com/CVE-2019-3396/): Atlassian Confluence Server and Data Center Server-Side Template Injection (critical 9.8, exploited in the wild)
- [CVE-2019-3398](https://insights.sbomify.com/CVE-2019-3398/): Atlassian Confluence Server and Data Center Path Traversal (high 8.8, exploited in the wild)
- [CVE-2017-7415](https://insights.sbomify.com/CVE-2017-7415/): Auth bypass in n/a (high 7.5)
- [CVE-2016-6668](https://insights.sbomify.com/CVE-2016-6668/): Information disclosure in n/a (high 7.5)
- [CVE-2012-6342](https://insights.sbomify.com/CVE-2012-6342/): Cross-site request forgery in n/a (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-22504 and fix it if it is affected.

What it is: CVE-2023-22504 is a medium-severity missing authorization vulnerability in Atlassian Confluence Data Center, published on 25 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-22504 in the wild and no public exploit code.

Affected product: Atlassian Confluence Data Center. 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-2023-22504/ (Markdown: https://insights.sbomify.com/CVE-2023-22504/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-22504
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22504
- OSV: https://osv.dev/vulnerability/CVE-2023-22504

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-22504/
Summaries are generated and may contain mistakes; the official description above is the record.