CVE-2026-104028
Received Received - Intake

Unauthenticated PHP File Upload in Anton Extensions WordPress Plugin

Publication date: 2026-10-11

Last updated on: 2026-10-11

Assigner: WPScan

Description
The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability check, nonce verification, or file-type validation before writing attacker-supplied content to an attacker-chosen path, allowing unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution.

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Meta Information

Published
2026-10-11
Last Modified
2026-10-11
Generated
2026-10-11
AI Q&A
2026-10-11
EPSS Evaluated
N/A
NVD
CVE-2026-104028
EUVD
EUVD-2026-96738

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Anton Extensions 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is an unauthenticated arbitrary file upload vulnerability in the Anton Extensions WordPress plugin up to version 1.2.2. It allows attackers to upload malicious PHP files without any checks for capabilities, nonces, or file types. This can lead to remote code execution on the affected site.

Detection Guidance

To detect this vulnerability, check if the Anton Extensions WordPress plugin version 1.2.2 or lower is installed. Inspect server logs for unusual file uploads or PHP file creation in web directories. Use commands like 'wp plugin list' in WordPress CLI or check the plugin version via the WordPress admin panel.

Impact Analysis

An attacker could exploit this to upload and execute arbitrary PHP code on your WordPress site, potentially taking full control of the site, stealing data, or using it as a launchpad for further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately update the Anton Extensions plugin to the latest version if available. If no update exists, consider disabling or removing the plugin entirely. Restrict file upload permissions and monitor for unauthorized PHP files in web directories.

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