Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-14553
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-05 07:16:34 UTC
Updated2026-08-26 16:31:16 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from ADP

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

EPSS: 0.004200000 probability, percentile 0.348460000 (date 2026-08-26)

Problem Types: CWE-434 | CWE-434 Unrestricted Upload of File with Dangerous Type | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Zportals affected 6.3.4 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/02c83708-8f2f-48f8-b73e-df37a42ab360 [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: Mike Gozdiskowski (en)

CNA: WPScan (en)

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