CVE-2024-32548 in What's New Generator Plugin
Summary
by MITRE • 04/17/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Hideki Tanaka What's New Generator allows Stored XSS.This issue affects What's New Generator: from n/a through 2.0.2.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 04/05/2025
This vulnerability represents a critical cross-site scripting flaw in the What's New Generator plugin developed by Hideki Tanaka, specifically impacting versions ranging from the initial release through 2.0.2. The issue falls under the CWE-79 category of Cross-Site Scripting, which occurs when web applications fail to properly sanitize user input before incorporating it into web pages served to other users. The vulnerability allows attackers to inject malicious scripts that persist in the application's database and execute whenever affected pages are loaded, making it a stored XSS variant rather than a reflected or DOM-based attack.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization within the plugin's web page generation process. When users submit content through the plugin's interface, the application does not sufficiently neutralize special characters or script tags in the input data before storing it in the database. This stored data is then retrieved and displayed on web pages without proper HTML encoding or context-appropriate sanitization, creating an environment where malicious JavaScript code can be executed in the browsers of unsuspecting users who view the affected content.
The operational impact of this vulnerability is significant as it provides attackers with persistent access to user sessions and potentially sensitive information. An attacker who successfully exploits this vulnerability can execute arbitrary JavaScript code in the context of any user who views the affected web pages, enabling session hijacking, credential theft, data exfiltration, and modification of web page content. This stored nature of the vulnerability means that even users who do not directly interact with the malicious input can be compromised simply by viewing pages containing the injected scripts, creating a broad attack surface that affects all users of the vulnerable plugin.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected plugin to version 2.0.3 or later, which should contain proper input sanitization and output encoding mechanisms. Organizations should implement comprehensive input validation that filters or encodes potentially dangerous characters such as angle brackets, quotes, and script tags before storing user content. Additionally, the application should employ proper output encoding techniques when displaying user-generated content, ensuring that any potentially malicious input is rendered harmless through appropriate HTML escaping. Security measures should also include regular security audits of third-party plugins and maintaining up-to-date vulnerability databases to identify and remediate similar issues proactively. The ATT&CK framework categorizes this vulnerability under T1566.001 - Phishing with Malicious Attachments, as attackers could leverage this flaw to deliver malicious payloads through seemingly legitimate web content, and T1059.007 - Command and Scripting Interpreter: JavaScript, which represents the execution mechanism used to exploit the XSS vulnerability.