CVE-2026-14553

Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload

HIGH
8.1
CVSS Score
Published: August 5, 2026 at 06:00 AM UTC
Updated: August 26, 2026 at 04:31 PM UTC
1 product affected across 1 vendorZportals

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

The zportals WordPress plugin before 6.3.4 does not properly validate uploaded files, trusting the client-supplied content type and preserving the original file extension, allowing any authenticated user (Subscriber or higher) to upload arbitrary PHP files and achieve remote code execution.

Affected

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

Zportals· Zportalswordpress-plugin
50%
v < 6.3.4
Affected range stops below 6.3.4, 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/02c83708-8f2f-48f8-b73e-df37a42ab360/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

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

CVSS

8.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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