CVE-2026-24562 identifies a missing authorization vulnerability in the Ryviu – Product Reviews plugin for WooCommerce, specifically affecting versions up to and including 3.1.26. The vulnerability arises from incorrectly configured access control security levels within the plugin, which allow unauthorized users to perform actions that should be restricted. This missing authorization means that the plugin does not properly verify whether a user has the necessary permissions before allowing certain operations, potentially enabling attackers to manipulate product reviews or related data. Although no exploits have been reported in the wild, the flaw presents a significant risk because WooCommerce is widely used for e-commerce platforms, and product reviews are integral to customer trust and sales. The vulnerability could lead to unauthorized modification or deletion of reviews, impacting data integrity and possibly the availability of review features. The absence of a CVSS score indicates that the vulnerability has not yet been fully assessed for severity, but the nature of missing authorization typically implies a high risk. The plugin’s role in managing customer-generated content means that exploitation could also affect confidentiality if sensitive data is exposed. The vulnerability was published on January 23, 2026, by Patchstack, but no patch links have been provided yet, highlighting the need for vigilance and proactive mitigation by affected organizations.

For European organizations, especially those operating e-commerce platforms using WooCommerce with the Ryviu plugin, this vulnerability could undermine the integrity and trustworthiness of product reviews, which are critical for customer decision-making and brand reputation. Unauthorized modification or deletion of reviews can lead to misinformation, loss of customer confidence, and potential financial losses. Additionally, if attackers gain broader access through this flaw, they might escalate privileges or disrupt review-related services, impacting availability. The confidentiality of user-submitted data could also be at risk if unauthorized access exposes personal information. Given the widespread use of WooCommerce in Europe, particularly in countries with mature e-commerce markets, the vulnerability could affect a significant number of businesses. The lack of known exploits provides a window for mitigation, but the risk remains high due to the ease of exploitation inherent in missing authorization issues. The impact is magnified in sectors where product reviews influence regulatory compliance or consumer protection, such as pharmaceuticals or electronics.

Organizations should immediately audit their WooCommerce installations to identify if the Ryviu – Product Reviews plugin is in use and determine the version deployed. Until an official patch is released, restrict access to plugin management and review moderation functionalities to trusted administrators only. Implement strict role-based access controls (RBAC) to limit who can perform review-related actions. Monitor logs for unusual activity related to review creation, modification, or deletion. Consider temporarily disabling the plugin if it is not critical to operations or if the risk outweighs the benefit. Stay informed through vendor communications and security advisories for the release of patches or updates addressing this vulnerability. Additionally, conduct penetration testing focused on access control mechanisms within the plugin to identify any other potential weaknesses. Employ web application firewalls (WAFs) with rules designed to detect and block unauthorized attempts to exploit access control flaws. Finally, educate administrative users on the importance of secure plugin management and the risks associated with privilege escalation.