CVE-2026-109689 in Sunshine Photo Cart Plugin
Summary
by MITRE • 10/15/2026
Missing Authorization vulnerability in WP Sunshine Sunshine Photo Cart sunshine-photo-cart allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sunshine Photo Cart: from n/a through 3.7.4.
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Analysis
by VulDB Data Team • 10/15/2026
The identified vulnerability represents a critical failure in access control mechanisms within the WP Sunshine Sunshine Photo Cart plugin, specifically affecting versions ranging from initial releases up to version 3.7.4. This flaw is classified as an Incorrectly Configured Access Control Security Level, which falls under the broader category of Broken Access Control vulnerabilities commonly referenced in industry standards such as CWE-285 and CWE-639. The core technical issue stems from the application's inability to properly verify user privileges before executing sensitive operations or exposing restricted data. In a secure architecture, every request directed at server-side resources must be authenticated and authorized based on the current session state of the interacting user. However, in this specific implementation, the plugin fails to enforce these checks consistently across all endpoints and functions that handle photo cart functionalities, such as adding items to a shopping basket, processing payments, or managing customer orders.
From an operational perspective, this missing authorization allows unauthenticated attackers or malicious users with lower privilege levels to perform actions intended only for administrators or authenticated customers. An attacker could potentially manipulate the application state by sending crafted HTTP requests that bypass standard login requirements or role-based restrictions. For instance, a user might be able to view private customer data, modify order statuses without permission, or even inject fraudulent entries into the shopping cart system. This lack of enforcement creates a significant security gap where the principle of least privilege is violated, allowing lateral movement within the application logic and potentially leading to complete compromise of the e-commerce platform's integrity. The impact extends beyond mere data exposure; it undermines trust in the transactional processes managed by the plugin, which can result in financial loss for merchants and compromised personal information for customers.
This vulnerability aligns with several tactics defined in the MITRE ATT&CK framework, particularly those related to Privilege Escalation and Collection of Application Data. Attackers leveraging this flaw would likely engage in techniques that involve manipulating session parameters or exploiting missing server-side validation to escalate their privileges from a standard visitor to an administrative role. The absence of robust authorization checks means that the application relies on client-side controls or implicit trust, which are easily bypassed using common web exploitation tools. This scenario highlights the dangers of assuming security based on URL structure or hidden form fields rather than enforcing strict server-side validation for every action performed by any user entity interacting with the system.
To mitigate this vulnerability, immediate remediation is required through updating the WP Sunshine Sunshine Photo Cart plugin to a version later than 3.7.4 where these access control issues have been addressed by the developers. Until an update is applied or if no patch is available for specific legacy versions, administrators should implement compensating controls such as Web Application Firewall rules that monitor and block suspicious request patterns indicative of authorization bypass attempts. Additionally, rigorous code review focusing on all endpoints related to cart management, order processing, and user profile access is essential to ensure that proper role-based access control checks are implemented at the server level for every function call. Regular security audits and penetration testing should be conducted to verify that no other instances of broken access control exist within the plugin's codebase, ensuring comprehensive protection against similar exploitation vectors in the future.