CVE-2025-10029 is a cross-site scripting (XSS) vulnerability identified in the itsourcecode POS Point of Sale System version 1.0. The flaw exists specifically in the file /inventory/main/vendors/datatables/unit_testing/templates/complex_header_2.php, where manipulation of the 'scripts' argument allows an attacker to inject malicious scripts. This vulnerability is remotely exploitable without requiring authentication, although user interaction is necessary to trigger the payload. The CVSS 4.0 base score is 5.1, indicating a medium severity level. The vector details show that the attack can be launched over the network (AV:N) with low attack complexity (AC:L), no privileges required (PR:L - low privileges), and no user interaction required (UI:P - partial user interaction). The vulnerability impacts the confidentiality and integrity of the system to a limited extent, with no direct impact on availability. The exploit code has been publicly released, increasing the risk of exploitation, although no known active exploitation in the wild has been reported yet. Given the POS system's role in handling sensitive payment and inventory data, successful exploitation could lead to session hijacking, theft of user credentials, or injection of malicious scripts that compromise the POS environment or its users.

For European organizations using the itsourcecode POS Point of Sale System 1.0, this vulnerability poses a moderate risk. POS systems are critical for retail and hospitality sectors, which are prevalent across Europe. Exploitation could lead to unauthorized access to payment processing interfaces, potentially enabling fraud or theft of payment card data, although the vulnerability itself is an XSS and does not directly expose payment data. However, attackers could leverage the XSS to perform phishing attacks, steal session cookies, or execute further attacks within the POS management interface. This could disrupt business operations, damage customer trust, and lead to regulatory non-compliance under GDPR if personal data is compromised. The medium severity suggests a need for timely remediation, especially in high-transaction environments. The public availability of exploit code increases the urgency for European organizations to address this vulnerability promptly to prevent potential exploitation.

Organizations should immediately assess whether they are running itsourcecode POS Point of Sale System version 1.0 and specifically check for the vulnerable file path. Since no official patch links are provided, mitigation should include applying input validation and output encoding on the 'scripts' argument to neutralize malicious script injection. Web application firewalls (WAFs) can be configured to detect and block typical XSS payloads targeting this endpoint. Restricting access to the POS management interface to trusted networks and enforcing strict user privilege controls can reduce exploitation risk. Monitoring logs for unusual script injection attempts or anomalous user behavior is recommended. Additionally, organizations should engage with the vendor for official patches or updates and consider upgrading to newer, secure versions of the POS system. Employee awareness training on phishing and social engineering can help mitigate risks from XSS-triggered attacks.