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CVE-2026-18364

Zportals < 6.4.2 - Subscriber+ Arbitrary Plugin Settings Update

MEDIUM
4.3
CVSS Score
Published: September 23, 2026 at 06:00 AM UTC
Updated: September 23, 2026 at 06:30 PM UTC
1 product affected across 1 vendorZportals

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Zportals· Zportalswordpress-plugin
50%
v < 6.4.2
Affected range stops below 6.4.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/f1b6d694-e55a-42a8-8308-48ec158b26a5/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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