Defender Security < 6.2.0 - Admin+ Network-Wide RCE via Hub Connector on Multisite

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19225
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 06:16:57 UTC
Updated2026-08-28 18:43:25 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 6.6 MEDIUM from ADP

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002890000 probability, percentile 0.210450000 (date 2026-08-30)

Problem Types: CWE-94 | CWE-94 Improper Control of Generation of Code ('Code Injection') | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Defender Security affected 5.0.0 6.2.0 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/5adace73-b1e5-4f1b-9676-6e9619dc54c4 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Herman (en)

CNA: WPScan (en)

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