# CVE-2021-30172: Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system - Reflected XSS

> Authenticated attackers can inject malicious JavaScript via unfiltered input in the picture preview page to access and manipulate customer information.

- **Severity:** Medium 4.6 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/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:** No
- **Published:** 7 May 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-p3vw-pmcf-8h54

## What is CVE-2021-30172?

CVE-2021-30172 is a medium-severity cross-site scripting vulnerability in Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system, published on 7 May 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

Special characters of picture preview page in the Quan-Fang-Wei-Tong-Xun system are not filtered in users’ input, which allow remote authenticated attackers can inject malicious JavaScript and carry out Reflected XSS (Cross-site scripting) attacks, additionally access and manipulate customer’s information.

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

## Which versions are affected by CVE-2021-30172?

It affects 1 product.


Products: Junhetec Omnidirectional Communication System.

## How do I fix CVE-2021-30172?

No fix has been published for CVE-2021-30172 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-30172 being exploited?

There is no known exploitation of CVE-2021-30172 in the wild and no public exploit code.

## Other vulnerabilities in Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system

- [CVE-2021-30173](https://insights.sbomify.com/CVE-2021-30173/): Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system - Local File Inclusion (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-30172 and fix it if it is affected.

What it is: CVE-2021-30172 is a medium-severity cross-site scripting vulnerability in Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system, published on 7 May 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-2021-30172 in the wild and no public exploit code.

Affected product: Jun-He Technology Ltd. Quan-Fang-Wei-Tong-Xun system. 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-2021-30172/ (Markdown: https://insights.sbomify.com/CVE-2021-30172/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-30172
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30172
- OSV: https://osv.dev/vulnerability/CVE-2021-30172

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-30172/
Summaries are generated and may contain mistakes; the official description above is the record.