CVE-2025-69019 in FlippingBook Plugin
Summary
by MITRE • 12/30/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FlippingBook FlippingBook flippingbook allows DOM-Based XSS.This issue affects FlippingBook: from n/a through <= 2.0.1.
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Analysis
by VulDB Data Team • 12/30/2025
The vulnerability identified as CVE-2025-69019 represents a critical cross-site scripting flaw within the FlippingBook flippingbook application that specifically impacts versions prior to and including 2.0.1. This issue falls under the category of DOM-based XSS attacks, where malicious scripts are injected into web pages through manipulation of the Document Object Model rather than traditional server-side input handling mechanisms. The vulnerability stems from inadequate sanitization of user-supplied input during the dynamic generation of web page content, creating an attack surface where malicious payloads can be executed within the context of a victim's browser session. The flaw manifests when the application fails to properly neutralize input parameters that are subsequently processed and rendered in the browser's DOM, allowing attackers to inject malicious JavaScript code that executes in the victim's browser environment.
The technical implementation of this vulnerability leverages the application's reliance on client-side processing of user-provided data without adequate validation or sanitization measures. When users interact with the flippingbook application, input parameters are typically passed through URL parameters or other client-side mechanisms and directly incorporated into the DOM structure without proper escaping or encoding. This creates a scenario where an attacker can craft malicious input that, when processed by the application, results in the execution of unintended JavaScript code within the victim's browser context. The DOM-based nature of this vulnerability means that the attack vector operates entirely within the browser environment rather than requiring server-side code execution, making it particularly challenging to detect and prevent through traditional server-side security measures.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform a wide range of malicious activities within the victim's browser session. Attackers can exploit this vulnerability to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or even harvest sensitive information from the application's interface. The severity is amplified by the fact that this vulnerability affects the core functionality of the flippingbook application, meaning that any user interacting with the affected version could potentially become compromised. The attack surface is broad since the vulnerability occurs during web page generation, making it accessible through various user interaction points within the application's interface, including navigation controls, search functions, or any other mechanism that processes user input.
Security mitigations for CVE-2025-69019 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's client-side processing pipeline. The primary remediation involves ensuring that all user-supplied input is properly escaped or encoded before being incorporated into the DOM structure, following established security practices such as those outlined in the OWASP XSS Prevention Cheat Sheet. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be executed within the application's context. Organizations should also consider implementing proper input sanitization routines that validate and filter all incoming data, particularly focusing on common XSS attack patterns and character sequences that could be used to bypass security measures. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and the attack vector maps to ATT&CK technique T1059.007 for script injection, emphasizing the need for robust client-side security controls.
The remediation strategy should include immediate application of patches or updates to versions that address this vulnerability, as well as comprehensive code reviews to identify and eliminate similar input handling issues throughout the application's codebase. Security teams should also implement monitoring mechanisms to detect potential exploitation attempts and establish proper incident response procedures for handling XSS-related security events. Regular security testing including dynamic application security testing (DAST) and manual penetration testing should be conducted to ensure that similar vulnerabilities are not present in other components of the application architecture. Organizations utilizing the FlippingBook flippingbook application should prioritize upgrading to version 2.0.2 or later where this vulnerability has been addressed through proper input sanitization and DOM manipulation safeguards, while also implementing comprehensive security awareness training for developers to prevent similar issues in future development cycles.