CVE-2025-13077 is a critical SQL Injection vulnerability identified in the payamito sms woocommerce plugin for WordPress, specifically versions up to 1.3.5. The flaw arises from improper neutralization of special elements in the 'columns' parameter, which is directly incorporated into SQL queries without adequate escaping or parameterization. This allows unauthenticated attackers to inject arbitrary SQL commands, exploiting a time-based blind SQL Injection technique to infer data from the backend database. The vulnerability does not require any authentication or user interaction, increasing its risk profile. The attack vector is network-based (AV:N), with low complexity (AC:L), and it impacts confidentiality (C:H) without affecting integrity or availability. Although no known exploits have been reported in the wild, the vulnerability's nature and ease of exploitation make it a significant threat. The plugin is used in WooCommerce environments to send SMS notifications, and its compromise could expose sensitive customer data stored in the WordPress database. The lack of patches at the time of disclosure necessitates immediate defensive measures. The vulnerability is tracked under CWE-89, highlighting the classic SQL Injection issue due to improper input validation and query construction. Given the widespread use of WooCommerce and WordPress in European e-commerce, this vulnerability poses a notable risk to organizations relying on this plugin for transactional messaging.

For European organizations, exploitation of CVE-2025-13077 could lead to unauthorized disclosure of sensitive customer and transactional data stored in WordPress databases, including personal identifiable information (PII), payment details, and business-critical information. This breach of confidentiality can result in regulatory non-compliance, especially under GDPR, leading to legal penalties and reputational damage. Since the vulnerability does not affect data integrity or availability directly, attackers are less likely to cause service disruption but can silently exfiltrate data. E-commerce businesses using the payamito sms woocommerce plugin are particularly at risk, as attackers could leverage the vulnerability to gain insights into customer behavior, credentials, or internal business data. The ease of exploitation without authentication increases the threat surface, potentially enabling widespread automated attacks. Additionally, data leakage incidents could trigger customer trust erosion and financial losses. The impact is magnified in sectors with high data sensitivity such as finance, healthcare, and retail, which are prevalent across Europe.

1. Immediate action should be to monitor for updates or patches from the payamito plugin developers and apply them as soon as they become available. 2. Until a patch is released, implement strict input validation and sanitization on the 'columns' parameter at the web application level, ensuring only expected values are accepted. 3. Deploy Web Application Firewalls (WAFs) with custom rules to detect and block SQL Injection payloads targeting the vulnerable parameter. 4. Conduct thorough code reviews and security audits of the plugin and related customizations to identify and remediate similar injection points. 5. Limit database user privileges to the minimum necessary to reduce the impact of potential exploitation. 6. Enable detailed logging and monitoring to detect anomalous query patterns indicative of SQL Injection attempts. 7. Educate development and operations teams about secure coding practices, emphasizing parameterized queries and prepared statements. 8. Consider isolating the WordPress environment or running the plugin in a sandboxed context to limit lateral movement if compromised. 9. Regularly back up databases and test restoration procedures to mitigate data loss risks. 10. Engage with threat intelligence sources to stay informed about emerging exploits targeting this vulnerability.