CVE-2025-31738: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the LeadQuizzes WordPress plugin, tracked as CVE-2025-31738. The vulnerability affects all versions of LeadQuizzes through version 1.1.0. This security issue was discovered and reported by researcher 0xd4rk5id3, with public disclosure occurring on April 1, 2025 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') issue. It has received a CVSS v3.1 base score of 6.5 (Medium), with the following vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability falls under the OWASP Top 10 category A4: Insecure Design (NVD, Patchstack).

The vulnerability allows malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts will be executed when visitors access the affected site. The impact is considered low to medium severity, but still poses a significant risk to website security and user safety (Patchstack).

Currently, there is no official fix available for this vulnerability. The software is considered abandoned as it hasn't been updated for over a year. The recommended mitigation strategy is to remove and replace the LeadQuizzes plugin with an alternative solution. Note that merely deactivating the plugin does not remove the security threat unless a virtual patch is deployed (Patchstack).