# CVE-2021-41188: Authenticated Stored XSS in Administration

> Authenticated attackers can inject malicious scripts into the Shopware administration interface, potentially compromising admin accounts.

- **Severity:** Medium 5.7 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 26 Oct 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-4p3x-8qw9-24w9

## What is CVE-2021-41188?

CVE-2021-41188 is a medium-severity cross-site scripting vulnerability in Shopware Shopware, published on 26 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Shopware is open source e-commerce software. Versions prior to 5.7.6 contain a cross-site scripting vulnerability. This issue is patched in version 5.7.6. Two workarounds are available. Using the security plugin or adding a particular following config to the `.htaccess` file will protect against cross-site scripting in this case. There is also a config for those using nginx as a server. The plugin and the configs can be found on the GitHub Security Advisory page for this vulnerability.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-41188?

2 open source packages ship an affected version, including shopware/shopware. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `shopware/shopware` | Packagist | All versions | 5.7.6 |
| `shopware/shopware` | Packagist | All versions | 5.7.6 |

Products: Shopware Shopware.

## How do I fix CVE-2021-41188?

Upgrade shopware/shopware to 5.7.6 or later.

## Is CVE-2021-41188 being exploited?

There is no known exploitation of CVE-2021-41188 in the wild and no public exploit code.

## Other vulnerabilities in Shopware Shopware

- [CVE-2023-22731](https://insights.sbomify.com/CVE-2023-22731/): Improper Control of Generation of Code in Twig rendered views in shopware (critical 10.0)
- [CVE-2016-3109](https://insights.sbomify.com/CVE-2016-3109/): Shopware RCE Vulnerability (critical 9.8)
- [CVE-2024-22406](https://insights.sbomify.com/CVE-2024-22406/): Blind SQL-injection in DAL aggregations in Shopware (critical 9.3)
- [CVE-2021-32711](https://insights.sbomify.com/CVE-2021-32711/): Leak of information via Store-API (critical 9.1)
- [CVE-2026-31887](https://insights.sbomify.com/CVE-2026-31887/): Shopware unauthenticated data extraction possible through store-api.order endpoint (high 8.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-41188 and fix it if it is affected.

What it is: CVE-2021-41188 is a medium-severity cross-site scripting vulnerability in Shopware Shopware, published on 26 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-41188 in the wild and no public exploit code.

Affected packages and fixed versions:
- shopware/shopware (Packagist): affected all versions; fixed in 5.7.6
- shopware/shopware (Packagist): affected all versions; fixed in 5.7.6

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-2021-41188/ (Markdown: https://insights.sbomify.com/CVE-2021-41188/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-41188
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-41188
- OSV: https://osv.dev/vulnerability/CVE-2021-41188

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-41188/
Summaries are generated and may contain mistakes; the official description above is the record.