CVE-2025-30988 is a high-severity Stored Cross-site Scripting (XSS) vulnerability identified in the _CreativeMedia_ Elite Video Player, affecting versions up to 10.0.5. This vulnerability arises due to improper neutralization of input during web page generation, classified under CWE-79. Specifically, the Elite Video Player fails to adequately sanitize or encode user-supplied input before rendering it in web pages, allowing an attacker to inject malicious scripts that persist on the affected application. When a victim accesses the compromised page, the malicious script executes within their browser context, potentially leading to session hijacking, credential theft, unauthorized actions on behalf of the user, or delivery of further malware. The CVSS v3.1 base score of 7.1 reflects a network attack vector (AV:N) with low attack complexity (AC:L), no privileges required (PR:N), but requiring user interaction (UI:R). The scope is changed (S:C), indicating that the vulnerability affects components beyond the initially vulnerable system, potentially impacting other systems or users. The impact on confidentiality, integrity, and availability is low to moderate (C:L, I:L, A:L), consistent with typical Stored XSS risks. No known exploits are currently reported in the wild, and no official patches have been linked yet. However, given the nature of Stored XSS, exploitation could lead to significant user impact if attackers successfully inject persistent scripts. The vulnerability is particularly critical in environments where the Elite Video Player is integrated into web portals or content management systems accessed by multiple users, increasing the attack surface and potential damage.

For European organizations, this vulnerability poses a significant risk especially to media companies, educational institutions, and enterprises that utilize the Elite Video Player for delivering video content via web interfaces. Successful exploitation could lead to unauthorized access to user sessions, leakage of sensitive information, and potential lateral movement within corporate networks if attackers leverage stolen credentials or session tokens. The persistent nature of Stored XSS means that once injected, malicious scripts can affect all users accessing the compromised content, amplifying the impact. This could undermine user trust, lead to regulatory non-compliance under GDPR due to data breaches, and cause reputational damage. Additionally, attackers might use the vulnerability as a foothold to deploy further attacks such as phishing or malware distribution. The changed scope (S:C) suggests that the vulnerability could affect interconnected systems or services, increasing the risk of broader compromise within organizational IT ecosystems. Given the video player’s role in content delivery, availability might also be impacted if attackers disrupt service or inject scripts that degrade user experience.

Organizations should implement a multi-layered mitigation approach beyond waiting for official patches. First, apply strict input validation and output encoding on all user-supplied data before rendering it in web pages, using context-aware encoding libraries to neutralize malicious scripts. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks. Conduct thorough code reviews and penetration testing focused on the Elite Video Player integration points to identify and remediate injection vectors. Where possible, isolate the video player environment from critical systems to limit scope in case of compromise. Monitor web application logs and user activity for unusual patterns indicative of XSS exploitation attempts. Educate users about the risks of interacting with suspicious content and encourage reporting of anomalies. Finally, maintain close communication with _CreativeMedia_ for timely updates and patches, and plan for rapid deployment once available. If immediate patching is not feasible, consider temporary workarounds such as disabling user-generated content features or restricting input types that can be submitted to the player interface.