CVE-2025-12646 identifies a critical SQL Injection vulnerability in the Community Events plugin for WordPress, developed by jackdewey. This vulnerability affects all versions up to and including 1.5.4. The root cause is the improper neutralization of special elements in the 'dayofyear' parameter, which is directly incorporated into SQL queries without adequate escaping or use of parameterized statements. As a result, an unauthenticated attacker can craft malicious input to append additional SQL commands to the existing query, enabling unauthorized access to sensitive data stored in the backend database. The vulnerability does not require any authentication or user interaction, making it exploitable remotely over the network. The CVSS 3.1 base score of 7.5 reflects a high severity level, primarily due to the high confidentiality impact and the low attack complexity. Although no public exploit code or active exploitation has been reported yet, the widespread use of WordPress and the plugin in question increases the likelihood of future attacks. The vulnerability is classified under CWE-89, which covers improper neutralization of special elements used in SQL commands. The lack of a patch at the time of disclosure necessitates immediate mitigation efforts by administrators. The vulnerability could be leveraged to extract sensitive information such as user credentials, event details, or other private data stored in the database, potentially leading to further attacks or data breaches.

For European organizations, this vulnerability poses a significant risk of data leakage from WordPress sites using the Community Events plugin. Sensitive information stored in the database, including user data and event details, could be exposed to unauthorized parties. This can lead to reputational damage, regulatory penalties under GDPR for data breaches, and potential follow-on attacks such as phishing or privilege escalation. Public-facing event management websites are particularly vulnerable, as the attack requires no authentication and can be executed remotely. The confidentiality impact is high, while integrity and availability remain unaffected. Organizations relying on this plugin for critical event management functions may face operational risks if attackers leverage extracted data to compromise other systems. The lack of known exploits in the wild currently reduces immediate risk but does not eliminate the threat, especially given the ease of exploitation and the common use of WordPress in Europe.

1. Monitor official channels for a security patch from the plugin developer and apply it immediately upon release. 2. Until a patch is available, implement strict input validation on the 'dayofyear' parameter to reject any suspicious or non-numeric input. 3. Deploy a Web Application Firewall (WAF) with rules specifically designed to detect and block SQL Injection attempts targeting the Community Events plugin. 4. Conduct regular security audits and vulnerability scans on WordPress installations to identify the presence of vulnerable plugin versions. 5. Restrict database user permissions to the minimum necessary to limit the impact of any successful injection. 6. Consider temporarily disabling or replacing the Community Events plugin with a more secure alternative if patching is delayed. 7. Educate site administrators about the risks and signs of SQL Injection attacks to improve detection and response. 8. Maintain regular backups of website data to enable recovery in case of compromise.