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CVE-2026-15248

Meta Box < 5.13.1 - Contributor+ Arbitrary Attachment Deletion via IDOR

The Meta Box WordPress plugin before 5.13.1 does not verify that a user is authorized to delete the supplied attachment before deleting it, allowing users with a low-privilege role such as Contributor to permanently delete arbitrary media attachments belonging to other users.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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CVE-2026-109216

Meta Box <= 5.15.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Background Field Array Keys

The Meta Box – A Framework for Dynamic Websites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'profile_background[<attacker-chosen key>]' parameter in all versions up to, and including, 5.15.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitability depends on a consuming plugin or theme built on Meta Box that exposes the background field to lower-privileged users and renders stored values via the rwmb_the_value()/format_single_value() pattern; the effective minimum privilege is whatever role that consumer permits, demonstrated at Subscriber level.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-109700

WordPress Meta Box – WordPress Custom Fields Framework plugin <= 5.15.2 - Broken Access Control vulnerability

Missing Authorization vulnerability in eLightUp Meta Box – WordPress Custom Fields Framework meta-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Meta Box – WordPress Custom Fields Framework: from n/a through 5.15.2.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed