Executive Summary

The WordPress Syncee Premium Dropshipping & Wholesale Plugin, versions 1.0.27 and below, contains a high-priority Broken Access Control vulnerability (CVE-2026-54846).

This flaw allows unauthenticated users to perform actions that normally require higher privileges because of missing authorization, authentication, or nonce token checks.

It is considered highly dangerous and falls under the OWASP Top 10 category A1: Broken Access Control.

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Impact Analysis

This vulnerability allows attackers who are not logged in to perform privileged actions on affected websites using the Syncee Premium Dropshipping & Wholesale Plugin version 1.0.27 or below.

Because of the missing access controls, attackers can exploit this flaw to manipulate or control parts of the website that should be restricted.

It is likely to be targeted in mass campaigns affecting thousands of websites, increasing the risk of widespread compromise.

Immediate mitigation is necessary to prevent potential damage.

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Mitigation Strategies

Immediate action is required to mitigate the risk of this vulnerability.

• Update the Syncee Premium Dropshipping & Wholesale Plugin to version 1.0.28 or later.
• Alternatively, apply the mitigation rule provided by Patchstack.

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Compliance Impact

The vulnerability allows unauthenticated users to perform higher-privileged actions due to broken access control, which can lead to unauthorized access to sensitive data or system functions.

Such unauthorized access could potentially result in violations of common standards and regulations like GDPR or HIPAA, which require strict access controls to protect personal and sensitive information.

However, the provided information does not explicitly state the direct impact on compliance with these regulations.

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