CVE-2025-28995 is a medium-severity vulnerability classified under CWE-862 (Missing Authorization) affecting the Viral Loops WP Integration plugin for WordPress, up to version 3.8.1. This vulnerability arises due to improperly configured access control mechanisms within the plugin, allowing unauthorized users to exploit functionality that should be restricted. Specifically, the lack of proper authorization checks means that an attacker can perform certain actions or access certain features without the necessary permissions. According to the CVSS v3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N), the vulnerability can be exploited remotely over the network without any privileges or user interaction, making it relatively easy to exploit. The impact is limited to integrity, meaning that while confidentiality and availability are not directly affected, the attacker can potentially alter data or configurations within the plugin's scope. No known exploits are currently reported in the wild, and no patches have been linked yet, indicating that the vulnerability is newly disclosed. The plugin is used to integrate Viral Loops marketing campaigns into WordPress sites, which often handle user engagement and promotional content. The missing authorization could allow attackers to manipulate campaign data or settings, potentially undermining marketing efforts or injecting malicious content indirectly through campaign manipulation.

For European organizations using the Viral Loops WP Integration plugin on their WordPress sites, this vulnerability poses a risk to the integrity of their marketing campaigns and associated data. Attackers exploiting this flaw could modify campaign parameters, skewing promotional outcomes or inserting misleading information that damages brand reputation. Although the vulnerability does not directly compromise user data confidentiality or site availability, the integrity loss can lead to financial and reputational harm, especially for businesses relying heavily on viral marketing strategies. Additionally, manipulated campaigns could be used as vectors for social engineering or phishing attacks targeting European customers. Given the plugin’s role in customer engagement, such integrity breaches could indirectly affect customer trust and compliance with data protection regulations like GDPR if misleading or unauthorized content is disseminated. The ease of remote exploitation without authentication increases the urgency for European organizations to address this vulnerability promptly.

European organizations should immediately audit their WordPress installations to identify the presence of the Viral Loops WP Integration plugin, particularly versions up to 3.8.1. Until an official patch is released, organizations should consider disabling or uninstalling the plugin to eliminate exposure. If the plugin is critical for operations, implement strict network-level access controls to limit exposure of the WordPress admin interface to trusted IP addresses only. Additionally, monitor logs for unusual activity related to campaign management endpoints. Employ Web Application Firewalls (WAFs) with custom rules to detect and block unauthorized access attempts targeting the plugin’s functions. Organizations should also review user roles and permissions within WordPress to ensure no excessive privileges are granted that could be abused in conjunction with this vulnerability. Finally, maintain vigilance for updates from the vendor or security advisories and apply patches immediately upon release.