CVE-2025-66060 identifies a missing authorization vulnerability in the Seriously Simple Podcasting plugin developed by Craig Hewitt, affecting versions up to and including 3.13.0. This vulnerability stems from incorrectly configured access control security levels, allowing unauthenticated attackers to bypass authorization checks. The plugin is widely used in WordPress environments to manage podcast content, which often includes sensitive metadata and subscriber information. The vulnerability does not require any privileges or user interaction, making it remotely exploitable over the network. The CVSS 3.1 base score of 5.3 indicates that the attack vector is network-based (AV:N), with low attack complexity (AC:L), no privileges required (PR:N), and no user interaction (UI:N). The impact is limited to confidentiality (C:L), with no impact on integrity or availability. No known exploits have been reported in the wild as of the publication date. The root cause is an incorrect or missing authorization check in the plugin's access control mechanisms, which could allow unauthorized access to podcast data or administrative functions. The lack of a patch link suggests that a fix may not yet be publicly available, emphasizing the need for vigilance and interim protective measures.

For European organizations, especially those relying on WordPress for podcast content management, this vulnerability could lead to unauthorized disclosure of sensitive podcast data, including unpublished episodes, subscriber information, or internal metadata. While the impact on system integrity and availability is negligible, the confidentiality breach could harm organizational reputation and violate data protection regulations such as GDPR if personal data is exposed. The ease of exploitation without authentication increases the risk of opportunistic attacks. Organizations in sectors like media, education, and marketing that use podcasting extensively may face targeted reconnaissance or data leakage. Although no active exploits are known, the vulnerability's presence in a popular plugin increases the attack surface for European websites. The potential for data exposure could also facilitate further social engineering or phishing campaigns targeting European users.

European organizations should immediately inventory their WordPress installations to identify the use of Seriously Simple Podcasting plugin versions up to 3.13.0. Until an official patch is released, administrators should restrict access to podcast management interfaces via network-level controls such as IP whitelisting or VPN access. Implementing Web Application Firewall (WAF) rules to detect and block suspicious requests targeting the plugin’s endpoints can reduce exposure. Regularly monitoring web server logs for anomalous access patterns related to podcasting URLs is recommended. Organizations should also review and tighten WordPress user roles and permissions to minimize unnecessary access. Once a patch is available, prompt application is critical. Additionally, consider isolating podcasting services from critical infrastructure to limit lateral movement in case of exploitation. Finally, maintain up-to-date backups of podcast data to ensure recovery if needed.