CVE Catalog

CVE-2026-14553

HighCVSS 8.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.42%

35th percentile - higher than 35% of all known CVEs

Summary

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.

Risk Assessment

Remote code execution can lead to full compromise of the WordPress site, including data access, content modification, and further attacks on the infrastructure.

Recommendation

Upgrade the zportals plugin to version 6.3.4 or later, which contains the fix.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS