CVE-2026-39468 MEDIUM

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

Vendor Elightup

Product Meta Box – WordPress Custom Fields Framework

Weakness CWE-22 · Path traversal

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

6.8/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

Meta Box versions up to 5.11.1 contain a path traversal vulnerability that allows an attacker to cause the site to become unavailable. The vulnerability requires specific conditions to exploit but does not require authentication. Sites running affected versions should update immediately to restore availability.

What an attacker can do

03Attacker Capabilities

Make the site unavailable by triggering a denial-of-service condition through path traversal.

Potential impact on your site

04Site Impact

Your site may become unavailable until the plugin is updated or disabled.

Conditions required to exploit

05Prerequisites

Network access to the site; specific attack conditions must be met (high complexity).

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39468 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/22.html AskarLabs — CWE-22 write-up Path Traversal

Related vulnerabilities

Identifiers

CVE CVE-2026-39468

CWE CWE-22

CVSS 6.8 / MEDIUM

Affected versions