CVE-2025-53285 in Add & Replace Affiliate Links for Amazon Plugin
Summary
by MITRE • 06/27/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in The Website Flip Add & Replace Affiliate Links for Amazon allows Stored XSS. This issue affects Add & Replace Affiliate Links for Amazon: from n/a through 1.0.6.
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Analysis
by VulDB Data Team • 06/27/2025
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The issue specifically affects the Website Flip plugin for WordPress, which facilitates affiliate link management for Amazon products. The vulnerability occurs during the web page generation process when user input is not properly sanitized or neutralized before being rendered in the browser. This allows malicious actors to store malicious code within the plugin's data handling mechanisms, which then executes whenever legitimate users view affected pages. The stored nature of this vulnerability means that once an attacker successfully injects malicious content, it persists and affects all users who encounter the compromised web pages without requiring additional interaction from victims.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the plugin's core functionality. When users interact with the affiliate link management features, their input data flows through the plugin's processing pipeline without sufficient sanitization measures. This creates an environment where malicious scripts can be embedded within link parameters, descriptions, or other user-controllable fields. The vulnerability exists across all versions of the plugin from the initial release through version 1.0.6, indicating a persistent flaw in the input handling logic that was not adequately addressed during development cycles. This type of vulnerability maps directly to CWE-79 which specifically addresses cross-site scripting conditions where untrusted data is improperly incorporated into web pages without proper sanitization or encoding.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform various malicious activities including session hijacking, credential theft, and redirection to malicious domains. An attacker could exploit this vulnerability to steal administrator credentials, modify content, or redirect users to phishing sites that appear legitimate. The stored nature of the XSS vulnerability means that the attack vector can persist for extended periods, potentially affecting numerous users over time without requiring repeated exploitation attempts. This vulnerability particularly threatens WordPress sites using the affected plugin, as it allows attackers to compromise the entire site's user base once successful injection occurs. The impact is amplified in environments where administrators or users have elevated privileges, as the stored XSS could potentially enable full site compromise.
Mitigation strategies for this vulnerability should focus on immediate remediation through plugin updates to versions that address the input sanitization issues. System administrators should implement comprehensive input validation and output encoding measures to prevent malicious code from being stored or executed. Additionally, implementing content security policies can provide an additional layer of protection by restricting script execution within affected web pages. Regular security auditing of plugin code and input handling mechanisms should be conducted to identify similar vulnerabilities. Organizations should also consider implementing web application firewalls to detect and block suspicious input patterns that may indicate XSS attempts. The vulnerability highlights the importance of secure coding practices and proper input validation, particularly when handling user-controllable data that will be rendered in web contexts. This case demonstrates how seemingly minor input handling flaws can create significant security risks when not properly addressed through comprehensive security testing and validation procedures.