CVE-2026-102292 in MateisHomePage-Website
Summary
by MITRE • 09/29/2026
A flaw has been found in coolbeans1212 MateisHomePage-Website up to ea2a4226deeca27ab1fb9df0552ec76444547811. Affected by this issue is some unknown functionality of the file users.php. This manipulation of the argument Search causes cross site scripting. The attack can be initiated remotely. The exploit has been published and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. Patch name: 6406308df9771d2fd477b56dafe4878dd846df6e. Applying a patch is the recommended action to fix this issue.
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Analysis
by VulDB Data Team • 09/29/2026
The vulnerability identified in MateisHomePage-Website, specifically within the users.php file prior to commit ea2a4226deeca27ab1fb9df0552ec76444547811, represents a classic Cross-Site Scripting (XSS) flaw. This security defect arises from insufficient input validation and sanitization of the Search argument passed to the application. When an attacker supplies malicious script content through this parameter, the web server processes it without adequate filtering, leading to its direct inclusion in the HTTP response sent back to the client browser. Because the product utilizes a continuous delivery model with rolling releases, specific version numbers are not available for tracking purposes; however, the vulnerability persists across all versions up to and including the specified commit hash where the patch was applied via identifier 6406308df9771d2fd477b56dafe4878dd846df6e.
From a technical perspective, this flaw is categorized under CWE-79: Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting. The absence of proper encoding or escaping mechanisms allows the injected JavaScript code to execute in the context of the victim's browser session. This execution environment grants the malicious script access to sensitive data such as cookies, session tokens, and local storage contents associated with the authenticated user. Furthermore, because the attack can be initiated remotely, it does not require physical proximity or prior authentication on the target system for initial exploitation, although successful impact often depends on whether the victim is logged into a privileged account within the application.
The operational impact of this vulnerability extends beyond simple script execution. Attackers leveraging this flaw can perform session hijacking by stealing authentication cookies, thereby gaining unauthorized access to user accounts without needing credentials. Additionally, the malicious scripts can facilitate phishing attacks by dynamically altering the appearance of the web page to mimic legitimate login forms or trusted entities, tricking users into revealing sensitive information such as passwords or personal identification data. In more advanced scenarios, the vulnerability could be chained with other weaknesses to perform drive-by downloads or redirect victims to external malicious sites, significantly compromising the integrity and confidentiality of the application's user base.
This incident aligns with MITRE ATT&CK technique T1059.007: Command and Control via Web Protocol, specifically when used for initial access through phishing components, as well as T1204.002: Malicious Link Execution under User Execution tactics if the payload is delivered via a crafted link. The remote nature of the exploit means that social engineering plays a critical role in successful exploitation, requiring attackers to craft convincing URLs containing the malicious Search parameter payloads. Since an exploit has been published and may be used by threat actors, the risk level is elevated, necessitating immediate remediation efforts regardless of whether specific version numbers are tracked due to the rolling release architecture.
To mitigate this vulnerability, developers must implement strict input validation on all user-supplied data, particularly parameters like Search that are reflected in page content. Output encoding should be applied consistently using context-aware methods such as HTML entity encoding for text contexts or JavaScript string escaping where appropriate. Implementing a Content Security Policy (CSP) header can also serve as an effective defense-in-depth measure by restricting the sources from which scripts can be loaded and executed, thereby neutralizing many XSS attacks even if input validation fails. Furthermore, adopting automated static application security testing tools in the CI/CD pipeline will help detect such flaws before they reach production environments, ensuring that future rolling releases remain secure against this class of injection-based threats.