# CVE-2018-0723: Cross-site scripting in Q'center Virtual Appliance

> Remote attackers can inject JavaScript into the Q'center Virtual Appliance web interface, potentially compromising user sessions or executing malicious code.

- **Severity:** Medium 6.1 (`CVSS:3.0/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:** 26 Dec 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-f477-wjpm-qwwv

## What is CVE-2018-0723?

CVE-2018-0723 is a medium-severity cross-site scripting vulnerability in QNAP Q'center Virtual Appliance, published on 26 Dec 2018. 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

Cross-site scripting (XSS) vulnerability in Q'center Virtual Appliance 1.8.1014 and earlier versions could allow remote attackers to inject Javascript code in the compromised application, a different vulnerability than CVE-2018-0724.

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

## Which versions are affected by CVE-2018-0723?

It affects 1 product.


Products: Qnap Q\'center Virtual Appliance.

## How do I fix CVE-2018-0723?

No fix has been published for CVE-2018-0723 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0723 being exploited?

There is no known exploitation of CVE-2018-0723 in the wild and no public exploit code.

## Other vulnerabilities in QNAP Q'center Virtual Appliance

- [CVE-2018-0724](https://insights.sbomify.com/CVE-2018-0724/): Cross-site scripting in Q'center Virtual Appliance (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0723 and fix it if it is affected.

What it is: CVE-2018-0723 is a medium-severity cross-site scripting vulnerability in QNAP Q'center Virtual Appliance, published on 26 Dec 2018. 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-2018-0723 in the wild and no public exploit code.

Affected product: QNAP Q'center Virtual Appliance. 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-2018-0723/ (Markdown: https://insights.sbomify.com/CVE-2018-0723/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0723
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0723
- OSV: https://osv.dev/vulnerability/CVE-2018-0723

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-0723/
Summaries are generated and may contain mistakes; the official description above is the record.