CVE-2025-58971 is a reflected Cross-site Scripting (XSS) vulnerability identified in AmentoTech's Doctreat product, specifically affecting versions up to and including 1.6.7. The vulnerability stems from improper neutralization of input during web page generation, which allows attackers to inject malicious JavaScript code into web pages viewed by other users. Reflected XSS occurs when malicious input is immediately returned by the web server in responses without proper sanitization or encoding. This flaw enables attackers to craft malicious URLs or web requests that, when clicked or visited by a victim, execute arbitrary scripts in the victim's browser context. The CVSS v3.1 score of 7.1 (High) reflects the vulnerability's network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), but requiring user interaction (UI:R). The scope is changed (S:C), indicating that exploitation can affect resources beyond the vulnerable component. The impact includes partial loss of confidentiality (C:L), integrity (I:L), and availability (A:L), as attackers can steal session cookies, manipulate page content, or disrupt user sessions. Although no known exploits are currently reported in the wild, the vulnerability poses a significant risk to web applications relying on Doctreat for appointment and healthcare management services. The vulnerability was reserved in early September 2025 and published in late October 2025, suggesting recent discovery and disclosure. No official patches or fixes are currently linked, so organizations must apply mitigations promptly. The vulnerability is particularly concerning for healthcare-related services due to the sensitivity of data and regulatory requirements around patient information protection.

For European organizations, especially those in healthcare, medical appointment management, and related sectors using Doctreat, this vulnerability can lead to significant risks. Exploitation could result in unauthorized access to sensitive patient data, session hijacking, and manipulation of user interactions, potentially violating GDPR and other data protection regulations. The reflected XSS can facilitate phishing attacks, malware distribution, and unauthorized actions performed in the context of legitimate users, undermining trust and service availability. Given the critical nature of healthcare services, disruption or data compromise could have severe operational and reputational consequences. Additionally, the cross-site scripting flaw could be leveraged as a stepping stone for more complex attacks targeting European healthcare infrastructure, which is often a high-value target. The lack of known exploits in the wild provides a window for proactive defense, but the high CVSS score underscores the urgency of addressing the vulnerability.

1. Immediate implementation of input validation and output encoding on all user-supplied data within Doctreat to neutralize malicious scripts. 2. Deploy a strict Content Security Policy (CSP) to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks. 3. Monitor web traffic and logs for suspicious URL patterns or payloads indicative of attempted exploitation. 4. Educate users and administrators about the risks of clicking on untrusted links and recognizing phishing attempts. 5. If patches become available from AmentoTech, prioritize their deployment in all affected environments. 6. Consider using web application firewalls (WAFs) with rules tailored to detect and block reflected XSS payloads targeting Doctreat. 7. Conduct regular security assessments and penetration testing focused on input handling and web interface vulnerabilities. 8. Isolate critical healthcare systems and limit exposure of Doctreat interfaces to only trusted networks where feasible.