CVE-2025-32285 in Butcher Plugin
Summary
by MITRE • 05/23/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ApusTheme Butcher allows Reflected XSS. This issue affects Butcher: from n/a through 2.40.
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Analysis
by VulDB Data Team • 05/23/2025
The vulnerability identified as CVE-2025-32285 represents a critical cross-site scripting flaw within the ApusTheme Butcher plugin, specifically impacting versions ranging from an unspecified initial release through version 2.40. This weakness falls under the well-documented category of improper input neutralization during web page generation, creating a pathway for malicious actors to inject and execute arbitrary script code within the context of a victim's browser. The vulnerability manifests as a reflected cross-site scripting issue, meaning that the malicious script is reflected off the web server and executed in the victim's browser when they click on a specially crafted link or visit a malicious page. This type of vulnerability is particularly dangerous because it can be exploited through social engineering attacks where users are tricked into clicking malicious links that contain the XSS payload.
The technical implementation of this vulnerability stems from the plugin's failure to properly sanitize and escape user input before incorporating it into dynamically generated web content. When user-supplied data is directly rendered into HTML output without adequate validation or encoding, attackers can inject malicious script code that will execute in the context of other users' browsers. This flaw is particularly concerning in the context of a WordPress plugin like Butcher, which likely handles various forms of user input including post parameters, query strings, or other dynamic content elements. The reflected nature of the vulnerability means that the malicious payload is typically embedded in a URL parameter or form field, and when a user accesses this malicious URL, the server reflects the payload back to the user's browser, executing the injected script code.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, redirection to malicious sites, and data exfiltration. Attackers can exploit this vulnerability to steal administrator cookies, gain unauthorized access to the WordPress admin panel, or modify website content. The reflected nature means that the attack can be delivered through phishing emails, compromised websites, or malicious advertisements that direct users to URLs containing the XSS payload. This vulnerability significantly weakens the security posture of affected WordPress installations, as it provides attackers with a vector to compromise user sessions and potentially gain full administrative control over the affected sites. The impact is particularly severe given that WordPress plugins often have elevated privileges and access to sensitive data, making them attractive targets for attackers seeking persistent access to web applications.
Mitigation strategies for this vulnerability should begin with immediate patching of the affected plugin to version 2.41 or later, which should contain the necessary fixes to properly sanitize user input. Administrators should also implement comprehensive input validation and output encoding mechanisms to prevent similar issues in the future, following established security practices such as those outlined in the OWASP Top Ten and the CWE-79 category for cross-site scripting. Additionally, implementing Content Security Policy headers can provide an additional layer of defense against XSS attacks by restricting the sources from which scripts can be loaded and executed. Regular security audits and monitoring of plugin updates are essential practices to maintain the security posture of WordPress installations, as this vulnerability demonstrates how even seemingly minor input validation flaws can create significant security risks in web applications. Organizations should also consider implementing web application firewalls and intrusion detection systems to help identify and block potential exploitation attempts targeting this type of vulnerability.