Vulnerability · Published Aug 5, 2026 · Assigned by WPScan

CVE-2026-14553Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload

High 8.1

In plain English

A high-severity unrestricted file upload in zportals from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.6%top 50.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Unknown zportals 0 – before 6.3.4

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References