CVE-2025-31051 is a vulnerability classified under CWE-497, which involves the exposure of sensitive system information to an unauthorized control sphere. This specific vulnerability affects the EngoTheme Plant - Gardening & Houseplants WordPress theme, versions up to 1.0.0. The flaw allows an unauthenticated remote attacker to retrieve embedded sensitive data from the system, potentially including configuration details, paths, or other internal information that should not be publicly accessible. The vulnerability has a CVSS v3.1 base score of 5.3, indicating medium severity. The vector string (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) shows that the attack can be performed remotely over the network without any privileges or user interaction, affecting only confidentiality. No integrity or availability impacts are noted. The vulnerability was reserved in March 2025 and published in January 2026, with no known exploits in the wild and no patches currently available. The lack of patches means that affected sites remain vulnerable until the vendor releases an update or mitigations are applied. The exposure of sensitive information can facilitate further attacks such as targeted exploitation, reconnaissance, or social engineering by revealing internal system details that attackers can leverage.

For European organizations, the exposure of sensitive system information can lead to increased risk of targeted cyberattacks, especially for businesses relying on WordPress websites using the affected theme. Confidentiality breaches may expose configuration details, API keys, or other sensitive data that could be used to compromise the website or backend systems. Although the vulnerability does not directly affect integrity or availability, the information leak can serve as a stepping stone for more severe attacks. Organizations in sectors such as e-commerce, gardening retail, or content publishing using this theme may face reputational damage and potential data privacy concerns under GDPR if sensitive customer or system data is exposed. The medium severity rating indicates a moderate risk, but the ease of exploitation without authentication increases the urgency for mitigation. The absence of known exploits in the wild currently reduces immediate threat levels but does not eliminate future risk as attackers may develop exploits once the vulnerability is publicly known.

European organizations should take proactive steps to mitigate this vulnerability despite the absence of an official patch. First, monitor the EngoTheme vendor channels and WordPress theme repositories for any forthcoming security updates and apply patches promptly once available. Until a patch is released, restrict access to sensitive files and directories related to the theme by configuring web server permissions and using .htaccess rules to block unauthorized requests. Implement a Web Application Firewall (WAF) with custom rules to detect and block suspicious requests attempting to access sensitive information endpoints. Conduct regular security audits and vulnerability scans on WordPress installations to identify exposure. Additionally, consider isolating the WordPress environment using containerization or sandboxing to limit potential lateral movement if exploited. Educate website administrators on the risks of using outdated themes and encourage timely updates. Finally, maintain comprehensive backups and incident response plans to quickly recover in case of compromise.