CVE-2024-47388 in SliceWP Plugin
Summary
by MITRE • 10/05/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in iova.mihai SliceWP slicewp allows Reflected XSS.This issue affects SliceWP: from n/a through <= 1.1.18.
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Analysis
by VulDB Data Team • 04/05/2026
The vulnerability identified as CVE-2024-47388 represents a critical cross-site scripting flaw within the SliceWP plugin for WordPress, specifically impacting versions through 1.1.18. This reflected cross-site scripting vulnerability arises from inadequate input sanitization during web page generation processes, creating a significant security risk for affected websites. The flaw allows malicious actors to inject malicious scripts into web pages viewed by other users, potentially compromising user sessions and enabling unauthorized actions on behalf of victims.
This vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses improper neutralization of input during web page generation, commonly known as cross-site scripting attacks. The issue manifests when the SliceWP plugin fails to properly sanitize user-supplied input parameters before incorporating them into dynamically generated web content. The reflected nature of this XSS vulnerability means that malicious input is immediately reflected back to users through web pages, typically via URL parameters or form submissions, without any server-side processing or filtering.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, defacement of web content, and redirection to malicious sites. Attackers can craft specially designed URLs containing malicious script payloads that, when executed in a victim's browser, can steal cookies, session tokens, or other sensitive information. The reflected nature of the attack means that the malicious script is not stored on the server but is instead injected into the web page response, making detection more challenging and exploitation more immediate.
Organizations utilizing SliceWP plugin versions 1.1.18 or earlier face significant risk exposure from this vulnerability, particularly those running WordPress websites that handle user interactions or dynamic content generation. The attack vector typically involves sending a specially crafted URL to victims through phishing emails, social engineering campaigns, or by exploiting other vulnerabilities in the broader web application ecosystem. According to the ATT&CK framework, this vulnerability maps to technique T1531, which involves modifying or manipulating applications to perform unauthorized actions, and T1203, which covers exploitation for credential access through web application attacks.
Mitigation strategies for this vulnerability primarily involve immediate patching of the SliceWP plugin to version 1.1.19 or later, which contains the necessary security fixes. System administrators should also implement additional defensive measures including input validation, output encoding, and the implementation of Content Security Policies to prevent unauthorized script execution. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other plugins or themes. The recommended approach follows industry best practices for XSS prevention, including proper sanitization of all user inputs, encoding of output data, and maintaining up-to-date software versions to ensure protection against known vulnerabilities. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts.