Vulnerability in Meta Box — CVE-2026-109700
MediumSeverity
—Estimated exploit probability
500,000+ sitesInstalls
5.15.3Fixed in
What to do now
Update Meta Box to 5.15.3 or later.
Affected versions
- Everything up to and including 5.15.2
Affected: Meta Box (plugin, meta-box)
What the vulnerability is
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.