Zportals < 6.4.2 - Subscriber+ Arbitrary Plugin Settings Update (CVE-2026-18364) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-18364

Zportals < 6.4.2 - Subscriber+ Arbitrary Plugin Settings Update

Answer in brief

CVE-2026-18364 records a Unknown severity vulnerability in Zportals < 6.4.2 - Subscriber+ Arbitrary Plugin Settings Update. The current sources do not mark it as known exploited. The current feed maps Unknown/zportals (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 23, 2026Updated Sep 23, 2026Source checked Sep 23, 2026First seen by HOL Sep 23, 2026Material review Sep 23, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/zportals (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/zportalsgeneric	>=0 <6.4.2	6.4.2

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/zportals.
Review the reported fix. Update Unknown/zportals to 6.4.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 23, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The zportals WordPress plugin before 6.4.2 does not perform any capability or nonce check on several of its AJAX actions, allowing users with a subscriber-level account to modify the zportals WordPress plugin before 6.4.2's stored integration settings.

Quoted source text, attributed separately from HOL analysis.