CVE-2025-62020 identifies a cross-site scripting (XSS) vulnerability in the Infomaniak Network's VOD Infomaniak product, affecting versions up to and including 1.5.11. The vulnerability stems from improper neutralization of user-supplied input during the generation of web pages, which allows an attacker to inject malicious scripts into the web interface. This type of vulnerability typically enables attackers to execute arbitrary JavaScript in the context of the victim's browser session. The CVSS 3.1 base score is 7.1, indicating a high-severity issue with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. This means the attack can be launched remotely over the network without any privileges, requires low attack complexity, no privileges, but does require user interaction (such as clicking a malicious link). The scope is changed (S:C), indicating that exploitation can affect resources beyond the vulnerable component. The impact affects confidentiality, integrity, and availability to a limited extent. Although no known exploits are currently reported in the wild, the vulnerability poses a significant risk to users of the VOD Infomaniak platform, especially given its role in delivering video-on-demand services. Attackers could leverage this flaw to steal session tokens, deface content, or perform phishing attacks within the trusted domain. The vulnerability was published on October 22, 2025, and no official patches or mitigations have been linked yet, emphasizing the need for immediate attention from affected organizations.

For European organizations, the impact of CVE-2025-62020 can be substantial, especially for those relying on VOD Infomaniak for video streaming and content delivery. Exploitation could lead to unauthorized access to user sessions, enabling attackers to impersonate legitimate users, steal sensitive information, or manipulate displayed content. This can damage organizational reputation, lead to data breaches, and disrupt service availability. Since the vulnerability affects web-facing components, it increases the attack surface for phishing and social engineering campaigns targeting employees or customers. The partial compromise of confidentiality, integrity, and availability can also affect compliance with GDPR and other data protection regulations, potentially resulting in legal and financial penalties. Additionally, the scope change in the vulnerability suggests that exploitation could impact other connected systems or services, amplifying the risk. Organizations in sectors such as media, education, and entertainment that use VOD Infomaniak are particularly vulnerable to service disruption and data compromise.

To mitigate CVE-2025-62020, organizations should first monitor Infomaniak's official channels for patches and apply them promptly once released. In the interim, implement strict input validation and sanitization on all user-supplied data to prevent script injection. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts within the web application. Use web application firewalls (WAFs) configured to detect and block XSS attack patterns targeting the VOD Infomaniak platform. Educate users about the risks of clicking unknown or suspicious links to reduce the likelihood of successful user interaction exploitation. Conduct regular security assessments and penetration testing focused on web application vulnerabilities. Additionally, consider isolating the VOD platform in a segmented network zone to limit potential lateral movement if exploitation occurs. Logging and monitoring for unusual web requests or script execution attempts can help in early detection of exploitation attempts. Finally, review and update incident response plans to include scenarios involving XSS attacks on web services.