CVE-2025-24645 in Eazy Under Construction Plugin
Summary
by MITRE • 04/17/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rob Scott Eazy Under Construction allows Reflected XSS. This issue affects Eazy Under Construction: from n/a through 1.0.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 05/14/2025
This vulnerability represents a classic cross-site scripting flaw that exploits improper input validation during web page generation within the Rob Scott Eazy Under Construction plugin. The reflected XSS vulnerability occurs when user-supplied input is directly incorporated into web page responses without adequate sanitization or encoding mechanisms. The vulnerability exists in versions ranging from the initial release through version 1.0, indicating a persistent flaw that has not been addressed in the plugin's codebase. The issue stems from the plugin's failure to properly neutralize user input before rendering it in HTML contexts, creating opportunities for malicious actors to inject arbitrary JavaScript code that executes in the victim's browser. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in web applications.
The operational impact of this reflected XSS vulnerability is significant as it allows attackers to execute malicious scripts in the context of the victim's browser session. An attacker could craft malicious URLs containing script payloads that, when visited by an unsuspecting user, would execute in the victim's browser. This could lead to session hijacking, credential theft, or redirection to malicious sites. The reflected nature of the vulnerability means that the malicious input is reflected back in the HTTP response, making it particularly dangerous for web applications that process user input through URL parameters or form submissions. The vulnerability directly violates web application security principles and creates a persistent attack surface that could be exploited across multiple user sessions.
Mitigation strategies should focus on implementing robust input validation and output encoding mechanisms throughout the application's codebase. The plugin should sanitize all user inputs before incorporating them into web page content, utilizing proper HTML encoding techniques such as htmlspecialchars() in PHP environments or equivalent mechanisms in other languages. Implementing Content Security Policy headers can provide additional protection against XSS attacks by restricting script execution contexts. Regular security code reviews should be conducted to identify similar input handling patterns that might introduce similar vulnerabilities. The vulnerability also aligns with ATT&CK technique T1203 which involves exploiting web application vulnerabilities to gain unauthorized access, emphasizing the importance of comprehensive web application security testing and remediation. Organizations should ensure immediate patching of affected versions and implement proper security monitoring to detect potential exploitation attempts.