Unauthenticated Privilege Escalation in Paytium

Executive Summary

The WordPress Paytium Plugin, versions 5.0.2 and below, contains a critical Privilege Escalation vulnerability (CVE-2026-56030). This flaw allows unauthenticated attackers to escalate their access privileges from low or no access to higher levels, potentially gaining full control over the affected website.

The vulnerability is classified under OWASP Top 10 A7 (Identification and Authentication Failures), indicating it relates to failures in properly verifying user identity or permissions.

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Impact Analysis

This vulnerability can have a severe impact as it allows attackers without any authentication to escalate their privileges and potentially take full control of your website.

Such control could lead to unauthorized access to sensitive data, modification or deletion of content, disruption of services, and further exploitation of the compromised system.

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Compliance Impact

The vulnerability allows unauthenticated attackers to escalate privileges and potentially gain full control of the website, which can lead to unauthorized access to sensitive data.

Such unauthorized access and control can result in violations of common standards and regulations like GDPR and HIPAA, which require strict protection of personal and sensitive information.

Failure to mitigate this vulnerability promptly could lead to data breaches, compromising confidentiality, integrity, and availability of data, thereby impacting compliance.

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Mitigation Strategies

Immediate action is required to mitigate the risk of this high-priority privilege escalation vulnerability in the WordPress Paytium Plugin versions 5.0.2 and below.

• Update the Paytium plugin to version 5.0.3 or later.
• Apply the mitigation rule provided by Patchstack if updating is not immediately possible.
• Enable auto-updates for vulnerable plugins if you are a Patchstack user to ensure ongoing protection.

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