CVE-2026-59528 in Discounted Shipping Rates Plugin
Summary
by MITRE • 07/27/2026
Subscriber Sensitive Data Exposure in ShipTime: Discounted Shipping Rates <= 1.1.1 versions.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/27/2026
The vulnerability identified in ShipTime's discounted shipping rates functionality affects versions prior to 1.1.2, specifically targeting subscriber sensitive data exposure through improper access controls and data handling mechanisms. This issue represents a critical security flaw that allows unauthorized parties to access confidential pricing information and subscription details that should remain protected within the application's secure boundaries.
The technical implementation flaw stems from insufficient input validation and authentication checks within the shipping rate calculation and retrieval processes. When subscribers request discounted rates, the system fails to properly verify user permissions and authenticate requests before exposing sensitive pricing data. This weakness creates an information disclosure vulnerability where malicious actors can potentially intercept or manipulate rate calculations to gain access to subscriber-specific discount information, pricing tiers, and related commercial data.
The operational impact of this vulnerability extends beyond simple data exposure as it compromises the integrity of the company's pricing strategy and competitive positioning. Subscriber sensitive data includes not only specific discount rates but also purchase history patterns, subscription tiers, and potentially personal information tied to shipping preferences. This exposure creates significant risk for both the organization and its customers, particularly given the potential for price manipulation or competitive intelligence gathering by unauthorized parties.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-200 (Information Exposure) and CWE-352 (Cross-Site Request Forgery) categories, representing multiple attack vectors through which sensitive information can be accessed without proper authorization. The flaw also maps to ATT&CK technique T1071.004 (Application Layer Protocol: DNS) when considering how attackers might exploit the service to gather pricing intelligence, and T1566 (Phishing) if social engineering components are used to target legitimate subscribers for additional data extraction.
Mitigation strategies should focus on implementing robust authentication mechanisms including proper session management, API key validation, and role-based access controls. The system requires enhanced input sanitization to prevent parameter injection attacks that could be leveraged to access unauthorized data sets. Additionally, comprehensive logging and monitoring should be implemented to detect suspicious access patterns and unauthorized data requests. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities across the application's functionality, with particular attention to all endpoints handling sensitive subscriber information.
The fix for this vulnerability requires immediate implementation of proper access control enforcement throughout the discounted shipping rate calculation process, ensuring that only authenticated subscribers can access their specific pricing information while maintaining appropriate data isolation between different user accounts. This approach aligns with security best practices outlined in NIST SP 800-53 and ISO 27001 standards for protecting sensitive information assets within enterprise applications.