CVE-2025-67578 identifies a missing authorization vulnerability in the WP Email Capture plugin for WordPress, developed by Rhys Wynne. This vulnerability arises from improperly configured access control mechanisms that fail to enforce authorization checks on certain plugin functionalities. As a result, unauthenticated attackers can remotely access or retrieve email capture data that should otherwise be protected. The vulnerability affects all versions up to and including 3.12.4, with no minimum version specified. The CVSS 3.1 base score of 5.3 reflects a medium severity, with the vector indicating network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), limited confidentiality impact (C:L), and no impact on integrity or availability (I:N/A:N). The lack of known exploits in the wild suggests it is not yet actively weaponized, but the exposure of email data can lead to privacy violations and facilitate further phishing or social engineering attacks. The vulnerability is particularly relevant for websites using WP Email Capture to collect user emails for marketing or newsletter purposes, as unauthorized access could compromise subscriber lists. The absence of patches at the time of disclosure necessitates immediate attention to alternative mitigations and monitoring.

For European organizations, the primary impact of CVE-2025-67578 is the potential unauthorized disclosure of email addresses collected via the WP Email Capture plugin. This can lead to privacy breaches under GDPR regulations, resulting in legal and reputational consequences. Attackers gaining access to email lists can conduct targeted phishing campaigns, increasing the risk of credential theft or malware distribution. Although the vulnerability does not affect data integrity or availability, the confidentiality breach alone is significant for organizations relying on email marketing or customer communications. Small and medium enterprises (SMEs) using WordPress with this plugin are particularly at risk due to potentially limited security resources. The exposure could also undermine customer trust and lead to financial losses through indirect attack vectors. Given the widespread use of WordPress across Europe, especially in countries with strong digital economies, the impact could be broad if not addressed promptly.

1. Immediately audit WordPress sites to identify installations of WP Email Capture plugin, especially versions up to 3.12.4. 2. Restrict access to plugin-related endpoints using web application firewalls (WAFs) or server-level access controls to limit exposure to unauthorized users. 3. Monitor server logs and network traffic for unusual or unauthorized access attempts targeting the plugin. 4. Disable or remove the WP Email Capture plugin if it is not essential until a patch is released. 5. Engage with the plugin vendor or community to obtain or develop patches addressing the missing authorization issue. 6. Implement strict role-based access controls (RBAC) within WordPress to minimize permissions for users and plugins. 7. Educate site administrators about the risks and encourage timely updates once patches become available. 8. Consider alternative email capture solutions with verified security postures if immediate patching is not feasible.