CVE-2026-2631 is a critical security vulnerability identified in the Datalogics Ecommerce Delivery WordPress plugin prior to version 2.6.60. The flaw arises from improper privilege management (CWE-269) where an unauthenticated REST API endpoint allows remote attackers to modify the 'datalogics_token' option without any verification or authentication. This token is subsequently used as an authentication mechanism for a protected endpoint that permits arbitrary execution of WordPress's update_option() function. Through this, an attacker can manipulate critical WordPress options, including enabling user registration and setting the default user role to Administrator. This effectively grants the attacker administrative privileges on the WordPress site without requiring any credentials or user interaction. The vulnerability stems from exposing sensitive configuration options via an unauthenticated REST interface, violating the principle of least privilege and secure access control. The plugin's reliance on the 'datalogics_token' for authentication is undermined by the ability to overwrite it remotely. Although no public exploits have been reported yet, the vulnerability is straightforward to exploit given the lack of authentication and the powerful impact of the update_option() function. This vulnerability affects all sites running vulnerable versions of the plugin, potentially allowing full site compromise, data theft, defacement, or further pivoting within the hosting environment.

The impact of CVE-2026-2631 is severe for organizations using the affected Datalogics Ecommerce Delivery WordPress plugin. Successful exploitation results in full administrative control over the WordPress site, compromising confidentiality, integrity, and availability. Attackers can create new administrator accounts, modify site content, steal sensitive data, install backdoors, or disrupt site operations. This can lead to reputational damage, data breaches, and loss of customer trust. Since WordPress powers a significant portion of the web, including e-commerce and business sites, the vulnerability could be leveraged for large-scale attacks or targeted intrusions. Additionally, compromised sites could be used as launchpads for further attacks within corporate networks or to distribute malware to visitors. The lack of authentication and ease of exploitation increase the likelihood of automated scanning and exploitation attempts, potentially affecting a wide range of organizations globally.

To mitigate this vulnerability, organizations should immediately update the Datalogics Ecommerce Delivery plugin to version 2.6.60 or later once it is released with the fix. Until an update is available, restrict access to the vulnerable REST endpoints by implementing web application firewall (WAF) rules that block unauthenticated requests to the plugin's REST API paths. Disable user registration on the WordPress site if not required, to reduce attack surface. Monitor WordPress logs for suspicious activity related to option changes or new administrator accounts. Employ strict access controls and limit plugin usage to trusted administrators. Additionally, conduct regular security audits of WordPress plugins and remove any unused or unmaintained plugins. Consider deploying endpoint detection and response (EDR) solutions to detect post-exploitation activity. Finally, maintain regular backups of the WordPress site and database to enable recovery in case of compromise.