RCE in Defender Security

CVE-2026-19225

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.

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19225: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

  • Defender Security

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19225?
CVE-2026-19225 is a medium-severity vulnerability in Defender Security, classified under Code Injection. CVSS score: 6.6/10. Published 2026-08-27.
How severe is CVE-2026-19225?
Medium severity. CVSS v3 base score is 6.6 out of 10.