CVE-2026-14553

Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload

Published Aug 5, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions zportals
Vendors & Products Wordpress-extensions
Wordpress-extensions zportals
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-434
Type Values Removed Values Added
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.
Title Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 5, 2026, 4:04 PM
Reserved
Jul 3, 2026, 9:09 AM
Status
Deferred
Published
Aug 5, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM