CVE-2025-27348 in WP Social SEO Booster Plugin
Summary
by MITRE • 02/24/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Daniel WP Social SEO Booster – Knowledge Graph Social Signals SEO allows Stored XSS. This issue affects WP Social SEO Booster – Knowledge Graph Social Signals SEO: from n/a through 1.2.0.
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Analysis
by VulDB Data Team • 02/24/2025
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The weakness exists within the Daniel WP Social SEO Booster plugin, specifically in its handling of user input during web page generation processes. The stored nature of this vulnerability means that malicious payloads persist in the application's database and are executed whenever affected pages are accessed, creating a persistent threat vector. The vulnerability affects all versions of the plugin up to and including version 1.2.0, indicating a long-standing issue that has not been properly addressed in the codebase.
The technical implementation of this XSS vulnerability stems from inadequate input sanitization and output escaping mechanisms within the plugin's content handling routines. When users submit data through the plugin's interface, particularly in fields related to social media metadata or knowledge graph configurations, the application fails to properly neutralize potentially malicious input before storing it in the database. This allows attackers to embed script tags or other malicious code that executes in the context of other users' browsers when they view pages generated by the plugin. The flaw aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities in web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the ability to hijack user sessions, steal sensitive information, or manipulate the functionality of the affected website. Attackers can leverage this weakness to perform actions such as reading or modifying user data, accessing administrative functions, or redirecting users to malicious websites. The stored nature of the vulnerability means that even users who are not actively interacting with the compromised plugin interface can be affected, as the malicious code executes automatically when pages are rendered. This creates a particularly dangerous scenario where the attack surface expands to include all users who might encounter the compromised content.
Mitigation strategies should focus on immediate patching of the affected plugin to version 1.2.1 or later, which contains the necessary input validation and sanitization fixes. Administrators should also implement comprehensive input filtering at multiple levels, including server-side validation and output escaping of all user-supplied content. Additional protective measures include implementing content security policies to prevent unauthorized script execution, conducting regular security audits of plugin code, and maintaining detailed monitoring of user activity for signs of malicious input. The vulnerability demonstrates the importance of following secure coding practices and adhering to the principle of least privilege in web application development, as outlined in the ATT&CK framework's web application exploitation techniques. Organizations should also consider implementing web application firewalls and regular security scanning to detect and prevent similar vulnerabilities in their web applications.