CVE-2025-54006 is a Stored Cross-Site Scripting (XSS) vulnerability classified under CWE-79, affecting the Bold Page Builder plugin developed by boldthemes. This vulnerability arises from improper neutralization of input during web page generation, allowing malicious scripts to be injected and stored within the application. When a user accesses a page containing the injected script, the malicious code executes in the context of the victim's browser. The affected versions include all versions up to and including 5.4.1. The vulnerability has a CVSS v3.1 base score of 6.5, indicating a medium severity level. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L) reveals that the attack can be performed remotely over the network with low attack complexity, requires privileges (PR:L) and user interaction (UI:R), and impacts confidentiality, integrity, and availability to a limited extent. The scope is changed (S:C), meaning the vulnerability affects components beyond the initially vulnerable component. Stored XSS vulnerabilities are particularly dangerous because they can be used to steal user credentials, perform actions on behalf of users, or deliver malware. Although no known exploits are currently in the wild and no patches are linked yet, the presence of this vulnerability in a widely used WordPress page builder plugin poses a significant risk to websites using this software.

For European organizations, the impact of this vulnerability can be substantial, especially for those relying on WordPress websites built with the Bold Page Builder plugin. Stored XSS can lead to session hijacking, unauthorized actions, and data theft, potentially compromising sensitive customer or business data. This can result in reputational damage, regulatory non-compliance (e.g., GDPR violations due to data breaches), and financial losses. Since the vulnerability requires some level of privilege and user interaction, attackers might target administrative users or editors with access to the page builder interface, increasing the risk of privilege escalation and persistent compromise. Additionally, the changed scope indicates that the vulnerability could affect other components or services integrated with the plugin, broadening the attack surface. European organizations in sectors such as e-commerce, media, and public services that heavily depend on WordPress for their web presence are particularly at risk.

1. Immediate mitigation should include restricting access to the Bold Page Builder interface to trusted users only, minimizing the number of users with editing privileges. 2. Implement strict Content Security Policy (CSP) headers to reduce the impact of XSS by restricting the execution of unauthorized scripts. 3. Monitor and audit user inputs and page content for suspicious scripts or anomalies. 4. Apply web application firewalls (WAFs) with rules tailored to detect and block XSS payloads targeting the Bold Page Builder. 5. Regularly backup website data to enable quick restoration in case of compromise. 6. Stay alert for official patches or updates from boldthemes and apply them promptly once available. 7. Educate users with editing privileges about phishing and social engineering risks to reduce the likelihood of successful exploitation requiring user interaction. 8. Consider isolating or sandboxing the plugin environment if possible to limit the scope of potential exploitation.