CVE-2025-24602 in Domain Check Plugin
Summary
by MITRE • 02/04/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP24 WP24 Domain Check allows Reflected XSS. This issue affects WP24 Domain Check: from n/a through 1.10.14.
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Analysis
by VulDB Data Team • 02/05/2025
The CVE-2025-24602 vulnerability represents a critical cross-site scripting flaw in the WP24 Domain Check plugin, specifically impacting versions through 1.10.14. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, where improper input validation during web page generation creates opportunities for malicious script injection. The flaw manifests as a reflected XSS vulnerability, meaning that malicious scripts are reflected off the web server to the victim's browser, typically through crafted URLs or user input fields that are not properly sanitized before being rendered in web pages.
The technical implementation of this vulnerability occurs when the WP24 Domain Check plugin fails to adequately neutralize user-supplied input during the generation of dynamic web content. When users interact with the plugin's interface or submit data through forms, the application processes this input without sufficient sanitization or encoding mechanisms. The reflected nature of this XSS means that an attacker must craft a malicious payload that gets executed when a victim clicks on a specially crafted link or visits a page containing the malicious script. This typically involves embedding script code within URL parameters or form inputs that are then reflected back to the user's browser without proper context-aware encoding.
The operational impact of this vulnerability extends beyond simple script execution, potentially allowing attackers to hijack user sessions, steal sensitive information, manipulate web page content, or redirect users to malicious sites. Attackers can exploit this weakness to perform session hijacking, deface websites, or harvest cookies and authentication tokens from unsuspecting users. The reflected nature makes this particularly dangerous as it can be delivered through phishing emails, malicious links in forums, or compromised websites that direct users to the vulnerable plugin interface. Given that this affects a domain checking plugin, the attack surface may include users who trust the functionality of checking domain availability, making them more likely to interact with malicious payloads.
Mitigation strategies for CVE-2025-24602 should prioritize immediate plugin updates to versions that address the XSS vulnerability, following the principle of least privilege for input validation. The solution requires implementing proper output encoding mechanisms that ensure any user-supplied content is properly escaped before being rendered in HTML contexts. Security best practices recommend employing Content Security Policy headers, input validation frameworks, and context-aware encoding techniques to prevent script injection. Organizations should also implement web application firewalls to detect and block malicious payloads, conduct regular security audits of plugins and themes, and establish proper input sanitization procedures. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links, and T1059.001 for command and control through script injection, highlighting the need for comprehensive defensive measures across multiple attack vectors.