# CVE-2021-37216: QSAN Storage Manager - Reflected Cross-Site Scripting

> Remote attackers can inject JavaScript via unfiltered header parameters to access and modify specific data without authentication.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 Aug 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xwvv-pqhf-w6qv

## What is CVE-2021-37216?

CVE-2021-37216 is a medium-severity cross-site scripting vulnerability in QSAN Storage Manager XN8008T, published on 2 Aug 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

QSAN Storage Manager header page parameters does not filter special characters. Remote attackers can inject JavaScript without logging in and launch reflected XSS attacks to access and modify specific data.

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

## Which versions are affected by CVE-2021-37216?

It affects 2 products.


Products: Qsan Xn8008t Firmware, Qsan Xn8024r Firmware.

## How do I fix CVE-2021-37216?

No fix has been published for CVE-2021-37216 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-37216 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37216 exists.

Public exploit code:

- QSAN Storage Manager <3.3.3 - Cross-Site Scripting (nuclei): http/cves/2021/CVE-2021-37216.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-37216 and fix it if it is affected.

What it is: CVE-2021-37216 is a medium-severity cross-site scripting vulnerability in QSAN Storage Manager XN8008T, published on 2 Aug 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37216 exists.

Affected product: QSAN Storage Manager XN8008T. 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-2021-37216/ (Markdown: https://insights.sbomify.com/CVE-2021-37216/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-37216
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-37216
- OSV: https://osv.dev/vulnerability/CVE-2021-37216

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-37216/
Summaries are generated and may contain mistakes; the official description above is the record.