CVE-2026-65759 in Easy Store Extension
Summary
by MITRE • 07/23/2026
Joomla Extension - joomshaper.com - unauthenticated payment/order forgery in Easy Store extension 1.0.0-2.0.1 - Critical order and payment information, including states, are processed from client side input, enabling unauthenticated attackers to manipulate payment and order states of arbritrary orders.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability identified in the Joomla Easy Store extension version 1.0.0 through 2.0.1 represents a critical security flaw that stems from improper input validation and insufficient authentication mechanisms within the payment processing workflow. This issue manifests as a client-side manipulation opportunity where attackers can forge payment and order information without requiring any valid credentials or authorization. The vulnerability resides in how the extension handles sensitive order state data, which is being processed directly from user-supplied inputs rather than being properly validated and authenticated through server-side controls.
The technical implementation of this vulnerability allows unauthenticated attackers to manipulate arbitrary orders by crafting malicious payloads that alter payment status, order states, and other critical transactional information. This occurs because the extension fails to implement proper server-side validation of input parameters that should only be modified by authorized parties. The flaw essentially creates a backdoor where any user can submit modified order data through API endpoints or form submissions, bypassing all normal authentication and authorization checks. This type of vulnerability is classified as CWE-284 Access Control Bypass, which directly relates to the improper control of a resource through an access control mechanism.
From an operational impact perspective, this vulnerability presents severe consequences for e-commerce operations within Joomla environments. Attackers can manipulate order statuses from pending to completed, potentially enabling fraudulent transactions, inventory manipulation, and revenue loss. The ability to forge payment information means that unauthorized parties could mark orders as paid without actual payment occurring, or conversely, mark legitimate payments as failed. This creates confusion in accounting systems, inventory management, and customer service operations. The vulnerability also exposes the underlying system to potential financial fraud where attackers might create false orders with inflated values or manipulate existing orders to their advantage.
The exploitation of this vulnerability aligns with several tactics described in the MITRE ATT&CK framework, particularly those related to privilege escalation and credential access. Attackers can leverage this issue to perform unauthorized transactions without needing legitimate user credentials, effectively bypassing normal authentication controls. The attack surface is expanded because the vulnerability affects the core payment processing functionality, making it attractive for cybercriminals targeting e-commerce platforms. Organizations using affected versions of the Easy Store extension should immediately implement mitigations including input validation enforcement, authentication checks for all payment-related endpoints, and proper session management to prevent unauthorized modifications.
Mitigation strategies should focus on implementing comprehensive server-side validation of all order and payment data inputs, ensuring that only authenticated users with proper authorization can modify transactional states. The fix must include robust access control mechanisms that verify user credentials before allowing any changes to order status or payment information. Additionally, logging and monitoring should be enhanced to detect unauthorized attempts to modify orders, enabling rapid response to potential exploitation. Organizations should also consider implementing rate limiting and anomaly detection for payment processing endpoints to identify suspicious activities that may indicate exploitation attempts. The vulnerability highlights the importance of proper input sanitization and authentication controls in web applications, particularly those handling financial transactions where data integrity is paramount.