CVE-2025-58894 is a Remote File Inclusion vulnerability found in the axiomthemes Good Mood WordPress theme, affecting versions up to 1.16. The root cause is improper validation and control of filenames used in PHP include or require statements, which allows an attacker to manipulate the filename parameter to include arbitrary files. This can lead to Local File Inclusion (LFI) or Remote File Inclusion (RFI), enabling attackers to execute arbitrary PHP code on the server, potentially leading to full site compromise, data theft, or defacement. The vulnerability does not require authentication, increasing its risk profile. While no public exploits have been reported yet, the vulnerability is publicly disclosed and could be targeted by attackers. The theme is used in WordPress environments, which are prevalent globally and in Europe. The lack of a CVSS score indicates the need for an expert severity assessment. The vulnerability affects the confidentiality, integrity, and availability of affected systems, as attackers can execute code remotely and manipulate site content or data. The vulnerability is critical for web servers running the affected theme, especially those exposed to the internet without additional protections.

For European organizations, this vulnerability could lead to unauthorized remote code execution on web servers running the Good Mood theme, resulting in data breaches, defacement, or use of compromised servers as pivot points for further attacks. Organizations relying on WordPress for their public websites or intranet portals are at risk, particularly those without robust patch management or web application firewalls. The impact includes potential loss of customer trust, regulatory penalties under GDPR due to data exposure, and operational disruptions. Attackers could also leverage compromised servers to launch attacks against other internal or external targets. The vulnerability's ease of exploitation without authentication increases the likelihood of attacks, especially against smaller organizations with limited cybersecurity resources. The reputational damage and remediation costs could be significant, especially for sectors like finance, healthcare, and government institutions in Europe.

Organizations should immediately identify if they use the axiomthemes Good Mood theme, particularly versions up to 1.16. Since no official patch links are currently available, administrators should monitor vendor announcements for updates and apply patches promptly once released. In the interim, restrict PHP include paths using configuration directives such as open_basedir to limit file inclusion to trusted directories. Employ web application firewalls (WAFs) with rules to detect and block suspicious file inclusion attempts. Disable remote file inclusion in PHP configurations (allow_url_include=Off) if not already set. Conduct regular code audits and vulnerability scans focusing on PHP file inclusion patterns. Limit user input that controls file paths and sanitize all inputs rigorously. Backup affected systems regularly and prepare incident response plans in case of compromise. Consider isolating or temporarily disabling the affected theme if patching is delayed.