CVE-2025-31085: 
WordPress vulnerability analysis and mitigation

A Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the WordPress xili-language plugin, identified as CVE-2025-31085. The vulnerability affects versions up to and including 2.21.2 of the xili-language plugin developed by Michel - xiligroup dev. The issue was discovered by Nguyen Xuan Chien and was publicly disclosed on April 1, 2025 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation (CWE-79) issue. It received a CVSS v3.1 base score of 7.1 (High) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. The vulnerability stems from insufficient input sanitization and output escaping in the plugin's code (WPScan).

This vulnerability allows unauthenticated attackers to inject arbitrary web scripts into pages that execute when users perform specific actions, such as clicking on a malicious link. The successful exploitation could lead to the injection of malicious scripts, redirects, advertisements, and other HTML payloads that execute when visitors access the affected website (Patchstack).

The vulnerability has been fixed in version 2.21.3 of the xili-language plugin. Users are advised to update to this version or later immediately. For users unable to update immediately, Patchstack has issued a virtual patch to mitigate this issue by blocking potential attacks until the update can be applied (Patchstack).