CVE-2025-64232 is a reflected Cross-site Scripting (XSS) vulnerability identified in the Import from YML component of the icopydoc product, affecting versions up to and including 3.1.17. The vulnerability stems from improper neutralization of input during web page generation, where user-supplied data is not correctly sanitized or encoded before being included in the HTML output. This flaw allows an attacker to craft malicious URLs or input that, when processed by the vulnerable component, results in the injection and execution of arbitrary JavaScript code in the context of the victim's browser session. The attack vector is remote (network accessible), requires no privileges, but does require user interaction, such as clicking a malicious link or visiting a crafted web page. The vulnerability impacts the confidentiality, integrity, and availability of affected systems by enabling attackers to steal session cookies, perform actions on behalf of the user, or deliver further payloads. The CVSS 3.1 base score is 7.1, indicating high severity, with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild, but the vulnerability's nature makes it a likely target for exploitation once weaponized. The lack of available patches at the time of publication necessitates immediate mitigation efforts. The vulnerability affects organizations using the icopydoc Import from YML plugin or module, which is typically used in content management or document import workflows. Given the widespread use of web-based content management systems in Europe, this vulnerability poses a significant risk to organizations relying on this component for importing YML data. Attackers could leverage this vulnerability to compromise user sessions, inject malicious scripts, or pivot to further attacks within the network. The reflected XSS nature means attacks require user interaction but can be delivered via phishing or malicious links. The vulnerability's scope change indicates that exploitation can affect resources beyond the vulnerable component, potentially impacting the entire web application or user session. Overall, this vulnerability represents a critical risk to web application security and user trust in affected systems.

For European organizations, this vulnerability poses a significant risk to web applications that utilize the icopydoc Import from YML component, particularly in sectors such as publishing, media, content management, and any enterprise relying on automated YML imports. Successful exploitation can lead to session hijacking, unauthorized actions performed on behalf of users, data leakage, and potential malware delivery. This can result in reputational damage, regulatory non-compliance (e.g., GDPR breaches due to data exposure), and operational disruptions. The reflected XSS nature means that phishing campaigns or malicious link sharing can be effective attack vectors, increasing the risk to end-users and employees. Given the interconnected nature of European IT infrastructure and the emphasis on digital services, such vulnerabilities can have cascading effects, including lateral movement within networks if combined with other exploits. The high CVSS score reflects the ease of exploitation and the potential for significant impact on confidentiality, integrity, and availability. Organizations with public-facing web applications using this component are particularly vulnerable, and the lack of current patches increases exposure time. Additionally, regulatory frameworks in Europe mandate prompt vulnerability management, so failure to address this issue could lead to legal and financial penalties.

1. Immediate mitigation should include disabling or restricting access to the Import from YML functionality if feasible until a patch is available. 2. Monitor vendor communications closely for official patches or updates addressing CVE-2025-64232 and apply them promptly. 3. Implement strict input validation and output encoding on all user-supplied data, especially within the Import from YML component, to neutralize malicious scripts. 4. Deploy Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks. 5. Use Web Application Firewalls (WAFs) with updated signatures to detect and block attempted exploitation of this vulnerability. 6. Conduct user awareness training to recognize phishing attempts that may deliver malicious links exploiting this reflected XSS. 7. Review and harden session management practices to limit session hijacking risks, including setting secure, HttpOnly cookies and implementing multi-factor authentication. 8. Perform regular security testing and code reviews focused on input handling and output generation to prevent similar vulnerabilities. 9. Log and monitor web application traffic for unusual patterns indicative of exploitation attempts. 10. Consider isolating vulnerable components or deploying them in sandboxed environments to limit potential damage.