CVE-2025-10028 is a cross-site scripting (XSS) vulnerability identified in the itsourcecode POS Point of Sale System version 1.0. The vulnerability exists in an unspecified part of the file located at /inventory/main/vendors/datatables/unit_testing/templates/6776.php. The issue arises from improper sanitization or validation of the 'scripts' argument, allowing an attacker to inject malicious scripts. This vulnerability can be exploited remotely without requiring authentication, although user interaction is necessary to trigger the malicious script execution. The vulnerability has a CVSS 4.0 base score of 5.1, indicating a medium severity level. The attack vector is network-based (AV:N), with low attack complexity (AC:L), no privileges required (PR:L), and user interaction required (UI:P). The impact primarily affects the integrity of the system with limited impact on confidentiality and availability. The vulnerability does not involve scope change or security requirements changes. Although no known exploits are currently observed in the wild, a public exploit is available, increasing the risk of exploitation. Given that the vulnerability affects a POS system, which is critical for retail and payment processing environments, successful exploitation could lead to script injection that may steal session tokens, manipulate displayed data, or perform unauthorized actions within the POS interface, potentially leading to fraud or data leakage. The vulnerability is specific to version 1.0 of the itsourcecode POS system, and no patches or updates have been referenced yet, indicating the need for immediate attention from users of this software.

For European organizations, especially those in retail, hospitality, and other sectors relying on POS systems, this vulnerability poses a moderate risk. Exploitation could lead to unauthorized script execution within the POS interface, potentially compromising transaction integrity and customer data confidentiality. While the direct impact on availability is limited, the integrity and trustworthiness of transaction data could be undermined, leading to financial losses and reputational damage. Additionally, if attackers leverage this vulnerability to inject scripts that capture payment card data or session cookies, it could result in broader data breaches subject to GDPR regulations, exposing organizations to legal and compliance risks. The remote exploitability without authentication increases the threat surface, particularly for POS systems exposed to less secure network segments or insufficiently segmented environments. European organizations with limited security monitoring or outdated POS deployments are at higher risk of undetected exploitation.

1. Immediate mitigation should focus on input validation and sanitization: developers and administrators should ensure that all user-supplied inputs, especially the 'scripts' argument in the affected PHP file, are properly sanitized to prevent injection of malicious code. 2. Apply any available patches or updates from itsourcecode as soon as they are released. In the absence of official patches, consider implementing Web Application Firewall (WAF) rules to detect and block suspicious script injection attempts targeting the vulnerable endpoint. 3. Restrict network access to the POS management interfaces, limiting exposure to trusted internal networks only, and segment POS systems from general corporate and public networks. 4. Monitor logs and network traffic for unusual activity indicative of XSS exploitation attempts, such as unexpected script execution or anomalous requests to the vulnerable PHP file. 5. Educate staff about the risks of phishing or social engineering that could trigger user interaction required for exploitation. 6. Consider deploying Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts within the POS web interface. 7. Conduct regular security assessments and code reviews of POS software to identify and remediate similar vulnerabilities proactively.