CVE-2026-56068 in JetEngine Plugin
Summary
by MITRE • 06/26/2026
Unauthenticated SQL Injection in JetEngine <= 3.8.10.2 versions.
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Analysis
by VulDB Data Team • 06/26/2026
This vulnerability represents a critical security flaw in the JetEngine WordPress plugin affecting versions up to 3.8.10.2 where unauthenticated users can exploit a sql injection weakness through the wp_ajax_nopriv_ action hook. The technical implementation allows malicious actors to construct and execute arbitrary sql commands against the underlying database without requiring any authentication credentials or privileged access. This vulnerability falls under the common weakness enumeration category of CWE-89 sql injection, which is classified as a severe threat in the owasp top ten web application security risks. The exploitation occurs when the plugin processes user-supplied input through the ajax endpoint without proper sanitization or parameterized query construction.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system takeover. Attackers can leverage this weakness to extract sensitive information including user credentials, personal data, and administrative access details from the wordpress installation. The unauthenticated nature of the attack means that any visitor to the website can potentially exploit this flaw without needing to establish a valid session or possess legitimate login credentials. This vulnerability directly aligns with attack techniques described in the mitre att&ck framework under the execution and credential access domains, specifically targeting the persistence and privilege escalation phases of an attack lifecycle.
The technical exploitation requires minimal prerequisites and can be automated through standard web application penetration testing tools. The vulnerability exists because the plugin fails to implement proper input validation and output escaping mechanisms for parameters processed through the wp_ajax_nopriv_ hook which is designed for unauthenticated ajax requests. This flaw demonstrates a critical oversight in the security architecture of the plugin where the development team did not properly address the security implications of processing external input through ajax endpoints without appropriate sanitization measures. Organizations running affected versions should immediately implement mitigations including plugin updates to version 3.8.10.3 or later, which contain the necessary patches to prevent sql injection attacks.
Security best practices recommend implementing multiple layers of defense including web application firewalls, regular security audits, and proper input validation procedures to prevent similar vulnerabilities from occurring in future development cycles. The incident highlights the importance of following secure coding guidelines such as those outlined in the owasp secure coding practices and demonstrates how even minor oversights in input handling can lead to catastrophic security consequences. Organizations should also consider implementing database activity monitoring solutions to detect unauthorized access patterns that may indicate exploitation attempts against sql injection vulnerabilities.