# CVE-2023-0937: VK All in One Expansion Unit < 9.87.1.0 - Reflected XSS

> Reflected XSS in VK All in One Expansion Unit allows attackers to execute scripts in old browsers via unescaped request URI.

- **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:** 20 Mar 2023
- **Updated:** 25 Feb 2025
- **Also known as:** GHSA-vv4w-4mwj-jh73

## What is CVE-2023-0937?

CVE-2023-0937 is a medium-severity cross-site scripting vulnerability in Unknown VK All in One Expansion Unit, published on 20 Mar 2023. 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

The VK All in One Expansion Unit WordPress plugin before 9.87.1.0 does not escape the $_SERVER['REQUEST_URI'] parameter before outputting it back in an attribute, which could lead to Reflected Cross-Site Scripting in old web browsers

## Which versions are affected by CVE-2023-0937?

It affects 1 product.


Products: Vektor-Inc Vk All in One Expansion Unit.

## How do I fix CVE-2023-0937?

No fix has been published for CVE-2023-0937 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-0937 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0937 exists.

## Other vulnerabilities in Unknown VK All in One Expansion Unit

- [CVE-2024-37956](https://insights.sbomify.com/CVE-2024-37956/): WordPress VK All in One Expansion Unit plugin <= 9.99.1.0 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-2093](https://insights.sbomify.com/CVE-2024-2093/): VK All in One Expansion Unit <= 9.95.0.1 - Information Exposure (medium 6.5)
- [CVE-2024-2170](https://insights.sbomify.com/CVE-2024-2170/): VK All in One Expansion Unit <= 9.96.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via className (medium 6.4)
- [CVE-2023-27926](https://insights.sbomify.com/CVE-2023-27926/): Cross-site scripting in VK All in One Expansion Unit (medium 5.4)
- [CVE-2023-28367](https://insights.sbomify.com/CVE-2023-28367/): Cross-site scripting in VK All in One Expansion Unit (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-0937 and fix it if it is affected.

What it is: CVE-2023-0937 is a medium-severity cross-site scripting vulnerability in Unknown VK All in One Expansion Unit, published on 20 Mar 2023. 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-2023-0937 exists.

Affected product: Unknown VK All in One Expansion Unit. 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-2023-0937/ (Markdown: https://insights.sbomify.com/CVE-2023-0937/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-0937
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0937
- OSV: https://osv.dev/vulnerability/CVE-2023-0937

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-0937/
Summaries are generated and may contain mistakes; the official description above is the record.