# CVE-2021-36129: Missing authorization in n/a

> Users with translate-manage rights can silently delete group metadata due to missing validation in the Translate extension's API.

- **Severity:** Medium 4.3 (`CVSS:3.1/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:** Yes
- **Published:** 2 Jul 2021
- **Updated:** 4 Aug 2024
- **Also known as:** BIT-mediawiki-2021-36129, GHSA-fwrf-r5r4-wh5w

## What is CVE-2021-36129?

CVE-2021-36129 is a medium-severity missing authorization vulnerability in Mediawiki Mediawiki, published on 2 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An issue was discovered in the Translate extension in MediaWiki through 1.36. The Aggregategroups Action API module does not validate the parameter for aggregategroup when action=remove is set, thus allowing users with the translate-manage right to silently delete various groups' metadata.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource)

## Which versions are affected by CVE-2021-36129?

1 open source package ship an affected version, including mediawiki. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `mediawiki` | Bitnami | All versions | 1.36.1 |

Products: Mediawiki Mediawiki.

## How do I fix CVE-2021-36129?

Upgrade mediawiki to 1.36.1 or later.

## Is CVE-2021-36129 being exploited?

There is no known exploitation of CVE-2021-36129 in the wild and no public exploit code.

## Other vulnerabilities in Mediawiki Mediawiki

- [CVE-2023-37303](https://insights.sbomify.com/CVE-2023-37303/): Denial of service in n/a (critical 9.8)
- [CVE-2022-29904](https://insights.sbomify.com/CVE-2022-29904/): SQL injection in n/a (critical 9.8)
- [CVE-2022-29906](https://insights.sbomify.com/CVE-2022-29906/): Missing authorization in n/a (critical 9.8)
- [CVE-2022-28205](https://insights.sbomify.com/CVE-2022-28205/): Business logic in n/a (critical 9.8)
- [CVE-2022-28206](https://insights.sbomify.com/CVE-2022-28206/): Missing authorization in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-36129 and fix it if it is affected.

What it is: CVE-2021-36129 is a medium-severity missing authorization vulnerability in Mediawiki Mediawiki, published on 2 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-36129 in the wild and no public exploit code.

Affected packages and fixed versions:
- mediawiki (Bitnami): affected all versions; fixed in 1.36.1

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-2021-36129/ (Markdown: https://insights.sbomify.com/CVE-2021-36129/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-36129
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-36129
- OSV: https://osv.dev/vulnerability/CVE-2021-36129

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-36129/
Summaries are generated and may contain mistakes; the official description above is the record.