CVE-2025-47679 in RS WP Book Showcase Plugin
Summary
by MITRE • 05/07/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in RS WP THEMES RS WP Book Showcase allows DOM-Based XSS. This issue affects RS WP Book Showcase: from n/a through 6.7.40.
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Analysis
by VulDB Data Team • 05/07/2025
The vulnerability identified as CVE-2025-47679 represents a critical cross-site scripting flaw within the RS WP Book Showcase plugin, specifically manifesting as a DOM-based XSS vulnerability. This issue resides in the improper neutralization of input during web page generation processes, creating an exploitable vector that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all versions of the plugin from the initial release through version 6.7.40, indicating a prolonged exposure window that could have enabled extensive exploitation across multiple environments.
The technical flaw stems from inadequate sanitization of user-supplied input parameters that are subsequently processed and rendered within the browser's Document Object Model. When the plugin handles certain input values without proper validation or encoding, it creates opportunities for malicious scripts to be executed within the context of legitimate user sessions. This DOM-based XSS variant is particularly dangerous because it operates entirely within the browser environment without requiring server-side modifications to the application's source code. The vulnerability exploits the way the plugin processes URL parameters or other input sources that are directly incorporated into dynamic web page content.
From an operational impact perspective, this vulnerability enables attackers to execute malicious scripts in the context of any user who views affected pages, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of legitimate users. The attack surface is broad as the vulnerability affects the plugin's web page generation functionality, meaning any page utilizing the showcased book functionality could become an attack vector. Users with administrative privileges face heightened risk, as successful exploitation could allow attackers to gain full control over the affected WordPress installation, potentially compromising entire websites and their associated data.
Security professionals should consider this vulnerability in the context of CWE-79 which specifically addresses Cross-site Scripting flaws, and the ATT&CK framework's T1059.001 technique for command and script injection. The remediation approach should focus on implementing comprehensive input validation and output encoding mechanisms throughout the plugin's codebase, particularly around parameters that are directly used in DOM manipulation. Additionally, implementing Content Security Policy headers and adopting the principle of least privilege in plugin configurations can significantly reduce the impact of such vulnerabilities. Regular security audits and automated vulnerability scanning should be implemented to identify similar issues in other plugin components and prevent future occurrences of this class of vulnerability.