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Vulnerability record · CVE-2026-14553 · published 5 August 2026

CVE-2026-14553: Unrestricted file upload vulnerability

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.

8.1 CVSS 3.1 High EPSS 0.61% · top 52.9% CWE-434 · Unrestricted file upload Deferred
8.1CVSS 3.1 base score
0.61%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

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.

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

References

LinkTags
https://wpscan.com/vulnerability/02c83708-8f2f-48f8-b73e-df37a42ab360/

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Source: NIST National Vulnerability Database (record CVE-2026-14553), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.