CVE-2026-109216Published
Meta Box <= 5.15.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Background Field Array Keys
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-109216 · Microsoft / collected KEV context
cve-program · CVE-2026-109216
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7a8948f5-8bcf-48f2-b3a6-bfa24ba9bef0?source=cve
- https://plugins.trac.wordpress.org/browser/meta-box/tags/5.15.2/inc/fields/background.php#L154
- https://plugins.trac.wordpress.org/browser/meta-box/tags/5.15.2/inc/sanitizer.php#L170
- https://github.com/wpmetabox/meta-box/pull/1709
- https://plugins.trac.wordpress.org/browser/meta-box/tags/5.15.3/inc/fields/background.php
Related operational evidence
Explicit CVE identifiers- Meta Box <= 5.15.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Background Field Array Keys · Newly collected advisory · 29 Oct 2026