CVE-2026-119511 in MC Woocommerce Wishlist Plugin
Summary
by MITRE • 11/07/2026
Missing Authorization vulnerability in Saeed MC Woocommerce Wishlist smart-wishlist-for-more-convert allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MC Woocommerce Wishlist: from n/a through 2.0.3.
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Analysis
by VulDB Data Team • 11/07/2026
The identified security flaw represents a critical failure in access control mechanisms within the Saeed MC WooCommerce Wishlist plugin, specifically affecting versions ranging from initial releases up to version 2.0.3. This vulnerability is classified as an insecure direct object reference or broken access control issue, where the application fails to properly verify whether the authenticated user has the necessary permissions to perform specific actions on wishlist data. In a typical e-commerce environment built on WordPress and WooCommerce, wishlists are often treated as personal user-specific assets that should only be accessible by their owners. However, due to this misconfiguration, an attacker can manipulate parameters such as product IDs or list identifiers in HTTP requests to access, modify, or delete wishlists belonging to other users without authorization. This type of flaw is fundamentally rooted in the server-side logic failing to enforce strict ownership checks before processing user input, allowing for unauthorized data exposure and manipulation.
From a technical perspective, this vulnerability aligns with CWE-284, which describes Improper Access Control, and more specifically CWE-639 regarding Authorization Bypass Through User-Controlled Key. The operational impact is significant because it compromises the confidentiality and integrity of user-generated content within the e-commerce platform. Attackers can exploit this by crafting malicious requests that bypass standard authentication checks or session validation processes. For instance, an adversary might iterate through sequential wishlist IDs to view private wishlists containing sensitive information such as preferred products, pricing strategies for specific items, or even personal preferences that could be leveraged for social engineering attacks. Furthermore, if the vulnerability allows modification of these lists, it could lead to data integrity issues where a user's saved items are altered maliciously, potentially affecting their purchasing decisions and trust in the platform.
This behavior is also closely associated with MITRE ATT&CK technique T1078, Valid Accounts, particularly when combined with privilege escalation or lateral movement if the attacker gains access to an account and then exploits this flaw to interfere with other users' data within the same session context. It reflects a broader category of vulnerabilities often seen in web applications where developers assume that client-side restrictions are sufficient for security, neglecting server-side validation. The lack of proper authorization checks means that any authenticated user can potentially act as an administrator or another user regarding wishlist operations, leading to potential privacy violations and data breaches. In high-traffic e-commerce sites, this could be automated by attackers using scripts to scrape large volumes of private wishlists for competitive intelligence or malicious purposes such as inventory manipulation if integrated with other vulnerable systems.
Mitigation strategies must focus on implementing robust server-side authorization checks that verify the relationship between the current user session and the requested resource before allowing any read, write, or delete operations. Developers should ensure that every endpoint handling wishlist data validates that the requesting user is the legitimate owner of the specific list being accessed. This involves checking database records against the authenticated user's ID rather than trusting input parameters alone. Additionally, implementing rate limiting on these endpoints can help mitigate automated scraping attempts while patches are deployed. For organizations using affected versions of MC Woocommerce Wishlist, immediate action should be taken to upgrade to a patched version where this access control logic has been corrected. Until an update is available, administrators might consider restricting public visibility of wishlists or disabling the feature entirely if it is not critical for business operations, thereby reducing the attack surface exposed to potential exploitation by malicious actors seeking to bypass security controls.