# CVE-2022-50893: VIAVIWEB Wallpaper Admin 1.0 - Code Execution via Image Upload

> Unauthenticated attackers can upload malicious PHP files to execute arbitrary code on the server via the image upload endpoint.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Jan 2026
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-6rqh-4p26-xccx

## What is CVE-2022-50893?

CVE-2022-50893 is a critical vulnerability in VIAVIWEB Wallpaper Admin, published on 13 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

VIAVIWEB Wallpaper Admin 1.0 contains an unauthenticated remote code execution vulnerability in the image upload functionality. Attackers can upload a malicious PHP file through the add_gallery_image.php endpoint to execute arbitrary code on the server.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2022-50893?

It affects 1 product.


Products: Viaviweb Wallpaper Admin.

## How do I fix CVE-2022-50893?

No fix has been published for CVE-2022-50893 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-50893 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50893 exists.

## Other vulnerabilities in VIAVIWEB Wallpaper Admin

- [CVE-2022-50892](https://insights.sbomify.com/CVE-2022-50892/): VIAVIWEB Wallpaper Admin 1.0 - SQL Injection via Login Page (high 8.8)
- [CVE-2022-50894](https://insights.sbomify.com/CVE-2022-50894/): VIAVIWEB Wallpaper Admin 1.0 SQL Injection via edit_gallery_image.php (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-50893 and fix it if it is affected.

What it is: CVE-2022-50893 is a critical vulnerability in VIAVIWEB Wallpaper Admin, published on 13 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50893 exists.

Affected product: VIAVIWEB Wallpaper Admin. 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-2022-50893/ (Markdown: https://insights.sbomify.com/CVE-2022-50893/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-50893
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-50893
- OSV: https://osv.dev/vulnerability/CVE-2022-50893

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-50893/
Summaries are generated and may contain mistakes; the official description above is the record.