CVE-2025-57999: 
WordPress vulnerability analysis and mitigation

The WPKoi Templates for Elementor WordPress plugin contains a Stored Cross-Site Scripting (XSS) vulnerability, identified as CVE-2025-57999. This security issue affects versions up to and including 3.4.3, and was discovered on September 22, 2025. The vulnerability allows authenticated users with contributor-level access or higher to inject arbitrary web scripts into pages (Rapid7, Patchstack).

The vulnerability stems from insufficient input sanitization and output escaping in the plugin's functionality. It has been assigned a CVSS v3.1 Base Score of 6.5 (Medium), with an Impact Score of 3.7 and Exploitability Score of 2.3. The attack vector is Network-based (AV:N), with Low attack complexity (AC:L), requiring Low privileges (PR:L) and User interaction (UI:R). The scope is Changed (S:C), with Low impact on Confidentiality, Integrity, and Availability (Rapid7).

When exploited, this vulnerability allows attackers to inject malicious scripts that will execute whenever a user accesses an affected page. The injected scripts could be used for various malicious purposes, including redirects, unwanted advertisements, and other potentially harmful HTML payloads that execute in visitors' browsers (Patchstack).

The vulnerability has been patched in version 3.4.4 of the WPKoi Templates for Elementor plugin. Users are strongly advised to update to this version or later to resolve the security issue. The fix addresses the input sanitization and output escaping mechanisms that were previously insufficient (Patchstack).