CVE-2025-5314
WordPress vulnerability analysis and mitigation

Overview

The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to DOM-Based Reflected Cross-Site Scripting via the 'pdf-source' parameter in all versions up to, and including, 2.3.65. This vulnerability was addressed in version 2.3.67, released on June 28, 2025 (NVD, WordPress Plugin).

Technical details

The vulnerability is classified as a DOM-Based Reflected Cross-Site Scripting (XSS) issue that exists due to insufficient input sanitization and output escaping of the 'pdf-source' parameter. The vulnerability received a CVSS v3.1 Base Score of 6.1 MEDIUM (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) (NVD).

Impact

This vulnerability makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute when they can successfully trick a user into performing an action such as clicking on a link (NVD).

Mitigation and workarounds

The vulnerability has been fixed in version 2.3.67 of the Dear Flipbook plugin. Users should update to this version or later to mitigate the risk. The fix includes removing the unsafe URL parameter handling functionality (WordPress Plugin).

Additional resources


SourceThis report was generated using AI

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