CVE-2025-24587 in Email Subscription Popup Plugin
Summary
by MITRE • 01/24/2025
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in I Thirteen Web Solution Email Subscription Popup allows Blind SQL Injection. This issue affects Email Subscription Popup: from n/a through 1.2.23.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 01/24/2025
This vulnerability represents a critical sql injection flaw in the i thirteen web solution email subscription popup plugin which enables attackers to execute arbitrary sql commands through malformed input parameters. The vulnerability specifically manifests as improper neutralization of special elements within sql commands, allowing malicious actors to manipulate database queries through crafted input. The issue affects all versions of the plugin from the initial release through version 1.2.23, indicating a prolonged period during which the vulnerability remained unaddressed. The blind sql injection capability means that attackers can infer database structure and contents through response timing variations or conditional responses without direct error messages, making the attack more stealthy and difficult to detect. This type of vulnerability falls under the common weakness enumeration category of cwe-89 sql injection, which is classified as a high severity weakness in the owasp top ten 2021 and 2017, and is also mapped to attack technique t1071.004 application layer protocol: dns in the mitre att&ck framework. The vulnerability occurs when user input from the email subscription form is directly incorporated into sql queries without proper sanitization or parameterization, creating a direct path for malicious sql code execution.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system takeover. Attackers can leverage blind sql injection to extract sensitive user data including email addresses, subscription details, and potentially other stored information within the affected database. The vulnerability's exploitation can lead to unauthorized access to user accounts, data manipulation, and in severe cases, complete database destruction or unauthorized code execution on the affected server. The email subscription popup functionality becomes a critical attack vector where unsuspecting users might unknowingly trigger sql injection attacks through their subscription activities. The impact is particularly severe in environments where the plugin is widely used, as a single vulnerable installation can provide attackers with access to multiple user databases, creating a significant attack surface for data breaches and privacy violations.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The primary solution involves updating to the latest version of the email subscription popup plugin where the sql injection vulnerability has been patched through proper input sanitization and parameterized queries. Organizations should implement comprehensive input validation and sanitization mechanisms that filter out or escape special sql characters including single quotes, semicolons, and sql keywords from all user inputs. Database access should be restricted to minimum required privileges for the application, implementing the principle of least privilege to limit potential damage from successful attacks. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components, while implementing web application firewalls can provide additional protection against sql injection attempts. The vulnerability highlights the importance of secure coding practices and proper sql query construction using prepared statements or parameterized queries as recommended by owasp secure coding practices and the sql injection prevention guidelines. Additionally, monitoring and logging of database access patterns can help detect anomalous behavior indicative of sql injection attacks, while regular database backups ensure recovery capabilities in case of successful exploitation.