CVE-2025-22576 in Site PIN Plugin
Summary
by MITRE • 01/13/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus Downing Site PIN allows Reflected XSS.This issue affects Site PIN: from n/a through 1.3.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 02/13/2025
The vulnerability identified as CVE-2025-22576 represents a critical cross-site scripting weakness in the Marcus Downing Site PIN application, specifically categorized under CWE-79 as improper neutralization of input during web page generation. This reflected cross-site scripting flaw occurs when the application fails to properly sanitize user-supplied input before incorporating it into dynamically generated web pages, creating an exploitable vector for malicious code injection. The vulnerability manifests within the Site PIN application version range starting from n/a through 1.3, indicating that all versions within this scope remain susceptible to exploitation. The reflected nature of this XSS vulnerability means that malicious input is immediately reflected back to users through the application's response, eliminating the need for persistent storage mechanisms that would typically be required for stored XSS attacks.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the web application's codebase. When users provide input through various interface elements or parameters that are subsequently processed and displayed without proper sanitization, attackers can inject malicious scripts that execute in the context of other users' browsers. This weakness allows threat actors to manipulate the application's behavior and potentially gain unauthorized access to user sessions, steal sensitive information, or perform actions on behalf of victims. The reflected XSS attack typically occurs when an attacker crafts a malicious URL containing script code that, when clicked by an unsuspecting user, executes the malicious payload in the victim's browser context.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to exploit the trust relationship between the application and its users. An attacker could craft malicious payloads that redirect users to phishing sites, steal session cookies, or manipulate application functionality to perform unauthorized actions. The vulnerability's presence in versions through 1.3 suggests that a significant portion of the application's user base remains exposed, as the flaw represents a fundamental security weakness in the input handling mechanisms. This type of vulnerability directly violates the principle of least privilege and can lead to complete compromise of user sessions, especially if the application handles sensitive data or authentication tokens. The reflected nature of the attack also means that exploitation can occur through social engineering techniques, where users are tricked into clicking malicious links delivered through email, chat, or other communication channels.
Mitigation strategies for CVE-2025-22576 should prioritize immediate remediation through proper input validation and output encoding mechanisms. The implementation of strict input sanitization measures, including the use of parameterized queries and proper HTML encoding of user-supplied data, forms the foundation of defense against reflected XSS attacks. Security patches should be deployed to update the Site PIN application to versions that address this vulnerability, with particular attention to ensuring that all user inputs are properly validated and escaped before being incorporated into web page content. Organizations should implement Content Security Policy headers to limit the execution of unauthorized scripts and establish comprehensive input validation routines that reject or sanitize potentially malicious content. The vulnerability's classification under ATT&CK technique T1059.001 for command and scripting interpreter further emphasizes the need for robust defenses against script injection attacks. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in the application's codebase, ensuring that future development practices incorporate proper security controls from the initial design phase.