CVE-2025-53997 is a Missing Authorization vulnerability (CWE-862) found in the favethemes Houzez product, a popular real estate WordPress theme. This vulnerability arises due to incorrectly configured access control security levels, allowing users with limited privileges (PR:L - privileges required: low) to perform actions or access resources that should be restricted. The vulnerability affects Houzez versions up to 4.0.4, though the exact range is unspecified ('n/a' listed). The CVSS 3.1 base score is 4.3 (medium severity), with the vector indicating that the attack can be performed remotely (AV:N), requires low privileges (PR:L), does not require user interaction (UI:N), and impacts integrity (I:L) but not confidentiality or availability. Essentially, an attacker with limited authenticated access can exploit this flaw to modify or manipulate data or functionality beyond their authorization scope, potentially leading to unauthorized changes in the application or data integrity issues. No known exploits are currently reported in the wild, and no patches have been linked yet. The vulnerability is classified under CWE-862, which highlights missing or insufficient authorization checks in the application logic, a common security weakness that can lead to privilege escalation or unauthorized actions.

For European organizations using the Houzez theme on their WordPress sites—commonly real estate agencies or property listing platforms—this vulnerability could allow attackers with low-level access (such as registered users or contributors) to perform unauthorized modifications. This could lead to data integrity issues, such as tampering with listings, pricing, or user information, potentially damaging business reputation and trust. While confidentiality and availability are not directly impacted, the integrity compromise could disrupt business operations and client relationships. Given the theme's use in commercial real estate sectors, any unauthorized data manipulation could have financial and legal repercussions. Additionally, if attackers leverage this flaw as part of a broader attack chain, it could facilitate further compromise. The lack of required user interaction and remote exploitability increases the risk of automated or scripted attacks. European organizations must consider compliance with GDPR, as unauthorized data changes could lead to regulatory scrutiny if personal data is affected.

Organizations should immediately audit their Houzez theme installations to identify affected versions (up to 4.0.4). Until an official patch is released, implement compensating controls such as restricting user roles and permissions to the minimum necessary, especially limiting low-privilege users from sensitive operations. Employ Web Application Firewalls (WAFs) with custom rules to detect and block suspicious requests targeting authorization bypass attempts. Monitor logs for unusual activities from authenticated users. Consider temporarily disabling or restricting access to vulnerable functionality if feasible. Stay updated with vendor advisories for patches and apply them promptly once available. Conduct thorough security testing, including authorization checks, on customizations or integrations with Houzez. Educate administrators and developers about the risks of missing authorization checks and enforce secure coding practices to prevent similar issues.