# CVE-2022-40626: Reflected XSS in the backurl parameter of Zabbix Frontend

> An attacker can exploit reflected XSS in the backurl parameter to trick authenticated users into creating malicious accounts with elevated privileges.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 14 Sep 2022
- **Updated:** 16 Sep 2024
- **Also known as:** DEBIAN-CVE-2022-40626, GHSA-3g95-xf53-275x

## What is CVE-2022-40626?

CVE-2022-40626 is a medium-severity cross-site scripting vulnerability in Fedoraproject Fedora, published on 14 Sep 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.

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

## Which versions are affected by CVE-2022-40626?

It affects 2 products.


Products: Fedoraproject Fedora, Zabbix Zabbix.

## How do I fix CVE-2022-40626?

Apply the vendor's patch.

## Is CVE-2022-40626 being exploited?

There is no known exploitation of CVE-2022-40626 in the wild and no public exploit code.

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild)
- [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild)
- [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-40626 and fix it if it is affected.

What it is: CVE-2022-40626 is a medium-severity cross-site scripting vulnerability in Fedoraproject Fedora, published on 14 Sep 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-40626 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. 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-2022-40626/ (Markdown: https://insights.sbomify.com/CVE-2022-40626/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-40626
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-40626
- OSV: https://osv.dev/vulnerability/CVE-2022-40626

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-40626/
Summaries are generated and may contain mistakes; the official description above is the record.