CVE-2025-62950 identifies a Cross-Site Request Forgery (CSRF) vulnerability in the Contest Gallery plugin developed by Wasiliy Strecker, affecting all versions up to and including 28.0.0. CSRF vulnerabilities occur when an attacker tricks an authenticated user into submitting a forged request to a web application, causing the application to perform unintended actions on behalf of the user. In this case, the Contest Gallery plugin lacks adequate CSRF protections such as anti-CSRF tokens or origin validation, allowing attackers to craft malicious requests that, when executed by logged-in users, can modify contest data or settings without their knowledge. The vulnerability does not require user interaction beyond the victim being authenticated and visiting a malicious site or clicking a crafted link. No public exploits have been reported yet, and no CVSS score has been assigned. However, the vulnerability can compromise the integrity of contest data and potentially availability if malicious changes disrupt normal operations. The plugin is commonly used in WordPress environments to manage contests and galleries, making it a target for attackers aiming to manipulate contest outcomes or disrupt event management workflows. The lack of patch links indicates that a fix may not yet be publicly available, emphasizing the need for immediate mitigation efforts by administrators.

For European organizations, this vulnerability poses a risk primarily to the integrity and availability of contest or event management data handled by the Contest Gallery plugin. Unauthorized changes to contest entries, settings, or results could lead to reputational damage, loss of trust, and operational disruptions, especially for organizations relying on transparent and fair contest processes. Attackers exploiting this vulnerability could manipulate contest outcomes or disable contest functionalities, impacting marketing campaigns, community engagement, or internal processes. Since the vulnerability requires the victim to be authenticated, organizations with many users or contributors to contests are at higher risk. The absence of known exploits reduces immediate risk, but the potential for exploitation remains significant if attackers develop weaponized payloads. European entities using WordPress with Contest Gallery, particularly in sectors like media, entertainment, education, and marketing, should consider this vulnerability a moderate threat to their web application security posture.

Administrators should immediately verify if their WordPress installations use the Contest Gallery plugin and identify the plugin version. Until an official patch is released, implement the following mitigations: 1) Restrict user permissions to the minimum necessary to reduce the number of authenticated users who can perform sensitive actions; 2) Employ Web Application Firewalls (WAFs) with rules to detect and block CSRF attack patterns targeting the plugin endpoints; 3) Encourage users to log out from the WordPress admin interface when not actively managing contests to reduce session exposure; 4) Monitor web server logs for unusual POST requests or suspicious referrer headers that may indicate CSRF attempts; 5) If possible, apply custom code or plugins that enforce CSRF token validation on Contest Gallery actions; 6) Stay alert for official patches or updates from the plugin developer and apply them promptly; 7) Educate users about the risks of clicking unknown links while authenticated to reduce social engineering vectors.