CVE-2026-19225: Unknown Defender Security

Medium severity, CVSS 6.6. EPSS: 0.3% chance of exploitation in the next 30 days.

The Defender Security WordPress plugin before 6.2.0 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network.

Affected products

• Unknown Defender Security: from 5.0.0, before 6.2.0 (fixed in 6.2.0)

Published 2026-08-27. Last modified 2026-08-28.