# CVE-2021-32774: Cross-Site Request Forgery (CSRF) in DataDump

> Attackers can forge requests to generate or delete wiki dumps in the DataDump MediaWiki extension, requiring a patch or disabling the extension.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/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:** 20 Jul 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-29mh-4vhv-x8mr

## What is CVE-2021-32774?

CVE-2021-32774 is a medium-severity vulnerability in miraheze DataDump, published on 20 Jul 2021. 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

DataDump is a MediaWiki extension that provides dumps of wikis. Prior to commit 67a82b76e186925330b89ace9c5fd893a300830b, DataDump had no protection against CSRF attacks so requests to generate or delete dumps could be forged. The vulnerability was patched in commit 67a82b76e186925330b89ace9c5fd893a300830b. There are no known workarounds. You must completely disable DataDump.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-32774?

It affects 1 product.


Products: Miraheze Datadump.

## How do I fix CVE-2021-32774?

No fix has been published for CVE-2021-32774 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-32774 being exploited?

There is no known exploitation of CVE-2021-32774 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-32774 and fix it if it is affected.

What it is: CVE-2021-32774 is a medium-severity vulnerability in miraheze DataDump, published on 20 Jul 2021. 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-2021-32774 in the wild and no public exploit code.

Affected product: miraheze DataDump. 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-2021-32774/ (Markdown: https://insights.sbomify.com/CVE-2021-32774/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-32774
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-32774
- OSV: https://osv.dev/vulnerability/CVE-2021-32774

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-32774/
Summaries are generated and may contain mistakes; the official description above is the record.