CVE-2025-15522 is a stored Cross-Site Scripting (XSS) vulnerability classified under CWE-79, found in the Uncanny Automator plugin for WordPress, which facilitates automation, integration, webhooks, and workflow building. The vulnerability exists due to improper neutralization of input during web page generation, specifically insufficient sanitization and escaping of the verified_message parameter within the automator_discord_user_mapping shortcode. This flaw allows authenticated attackers with Contributor-level access or higher to inject arbitrary JavaScript code that is stored persistently and executed in the context of any user with a verified Discord account who accesses the compromised page. The attack vector is remote network-based (AV:N), with low attack complexity (AC:L), requiring privileges (PR:L) but no user interaction (UI:N). The scope is changed (S:C), meaning the vulnerability can affect resources beyond the attacker’s privileges. The impact affects confidentiality and integrity (C:L/I:L) but not availability (A:N). This vulnerability could be exploited to steal session tokens, perform actions on behalf of users, or deliver further payloads. Although no public exploits are known, the presence of stored XSS in a widely used WordPress plugin poses a significant risk, especially in environments where users have verified Discord accounts linked. The plugin’s widespread use in automation workflows increases the attack surface. The vulnerability was published on January 23, 2026, and affects all versions up to 6.10.0.2. No official patches or mitigations were linked at the time of reporting, emphasizing the need for immediate attention by administrators.

For European organizations, the impact of CVE-2025-15522 can be significant, especially those relying on WordPress sites with the Uncanny Automator plugin for business-critical automation and integration tasks. Exploitation could lead to unauthorized disclosure of sensitive information, such as session cookies or personal data, through script injection. Attackers could manipulate workflows or impersonate users with verified Discord accounts, potentially leading to privilege escalation or unauthorized actions within integrated systems. This could disrupt business processes, damage reputation, and result in regulatory non-compliance under GDPR due to data breaches. The medium severity rating reflects the need for prompt mitigation but indicates the attack requires authenticated access, somewhat limiting exposure. However, given the plugin’s automation role, the attack surface includes multiple user roles and integrated services, increasing potential impact. Organizations with public-facing WordPress sites or those integrating Discord for user verification are particularly at risk. The absence of known exploits currently reduces immediate threat but does not eliminate future risk, especially as attackers often target WordPress plugins. The vulnerability’s ability to affect confidentiality and integrity without availability impact means attackers can stealthily compromise data and workflows without causing obvious service disruption, complicating detection.

To mitigate CVE-2025-15522, European organizations should: 1) Immediately update the Uncanny Automator plugin to a patched version once available; monitor vendor communications for official patches. 2) In the interim, restrict Contributor-level and higher access to trusted users only, minimizing the risk of malicious input injection. 3) Implement Web Application Firewall (WAF) rules to detect and block suspicious script payloads targeting the verified_message parameter or the automator_discord_user_mapping shortcode. 4) Conduct thorough input validation and output encoding on all user-supplied data in custom workflows or integrations involving this plugin. 5) Audit WordPress user roles and permissions to ensure least privilege principles are enforced, reducing the number of users who can exploit this vulnerability. 6) Monitor logs for unusual activity related to Discord-verified user sessions and shortcode usage. 7) Educate administrators and developers about the risks of stored XSS and the importance of sanitizing inputs in automation plugins. 8) Consider temporarily disabling the affected shortcode or plugin if patching is delayed and risk is high. These steps go beyond generic advice by focusing on access control, monitoring, and immediate protective measures tailored to the plugin’s functionality and exploitation vector.