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PatchSiren cyber security CVE debrief

CVE-2026-39468 eLightUp CVE debrief

CVE-2026-39468 is a medium-severity vulnerability in the Meta Box – WordPress Custom Fields Framework plugin, allowing contributors to delete arbitrary files. The vulnerability has a CVSS score of 6.8 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-39468).

Vendor
eLightUp
Product
Meta Box – WordPress Custom Fields Framework
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of the Meta Box – WordPress Custom Fields Framework plugin, particularly those allowing contributor roles, should be aware of this vulnerability.

Technical summary

The vulnerability, identified as CWE-22, allows contributors to delete arbitrary files due to improper handling of file paths. The CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the Meta Box – WordPress Custom Fields Framework plugin to a version beyond 5.11.1.
  • Restrict file deletion capabilities to trusted roles.
  • Monitor for suspicious file deletion activities.

Evidence notes

Evidence suggests that the vulnerability was discovered and reported by Patchstack (see [ref-4](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)).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39468 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39468

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-39468 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39468

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.