CVE-2025-63014 identifies a Cross-Site Request Forgery (CSRF) vulnerability in the Gmedia Photo Gallery software developed by Serhii Pasyuk, affecting versions up to 1.24.1. CSRF vulnerabilities occur when a web application does not adequately verify that requests made to it originate from legitimate users, allowing attackers to craft malicious web requests that execute unwanted actions on behalf of authenticated users. In this case, the vulnerability permits attackers to induce users who are logged into the Gmedia Photo Gallery to perform state-changing operations without their consent, such as modifying gallery settings or uploading/deleting photos, depending on the application's functionality. The CVSS 3.1 base score of 4.3 (medium severity) reflects that the attack vector is network-based (AV:N), requires no privileges (PR:N), but does require user interaction (UI:R). The impact affects integrity (I:L) but not confidentiality or availability. No patches or exploit code are currently publicly available, and no known exploitation in the wild has been reported. The vulnerability is categorized under CWE-352, which is a common web security weakness related to insufficient request validation. Given the nature of photo gallery software, which is often used by organizations for internal or public-facing media management, successful exploitation could lead to unauthorized content manipulation or defacement, undermining trust and potentially exposing organizations to reputational damage.

For European organizations, the impact of this CSRF vulnerability primarily concerns the integrity of web content managed via Gmedia Photo Gallery. Unauthorized modifications could disrupt business operations, damage brand reputation, or lead to misinformation if public-facing galleries are altered maliciously. While confidentiality and availability are not directly impacted, the integrity breach could facilitate further social engineering or phishing attacks by altering visible content. Organizations relying on Gmedia Photo Gallery for marketing, communications, or internal collaboration may face operational disruptions. The requirement for user interaction means phishing or social engineering campaigns could be leveraged to exploit this vulnerability. Given the medium severity and absence of known exploits, the immediate risk is moderate but could escalate if exploit code emerges. European entities with public websites or intranets using this software are particularly at risk, especially those in sectors with high web presence such as media, education, and cultural institutions.

To mitigate this CSRF vulnerability, organizations should implement the following specific measures: 1) Apply any official patches or updates from the vendor as soon as they become available. 2) If patches are not yet available, implement web application firewall (WAF) rules to detect and block suspicious cross-site requests targeting the photo gallery endpoints. 3) Enforce anti-CSRF tokens in all state-changing requests within the application to ensure requests originate from legitimate users. 4) Validate the Origin and Referer HTTP headers on the server side to confirm requests come from trusted sources. 5) Educate users about the risks of clicking on unsolicited links or visiting untrusted websites while authenticated to the gallery. 6) Conduct regular security assessments and penetration testing focusing on web application vulnerabilities, including CSRF. 7) Restrict user permissions within the gallery to the minimum necessary to reduce potential damage from exploited accounts. 8) Monitor logs for unusual or unauthorized actions within the photo gallery application. These targeted actions go beyond generic advice by focusing on immediate protective controls and user awareness tailored to the nature of this vulnerability.