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The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability delete arbitrary logs via a CSRF attack.

CVE-2023-3178 is a Cross-Site Request Forgery (CSRF) vulnerability identified in the POST SMTP Mailer WordPress plugin, specifically affecting versions prior to 2.5.7, with version 2.5.0 explicitly mentioned as vulnerable. This plugin facilitates sending emails via SMTP from WordPress sites. The vulnerability arises because certain AJAX actions within the plugin lack proper CSRF protections, allowing attackers to craft malicious requests that can be executed by authenticated users without their consent. In this case, the exploit targets users with the 'manage_postman_smtp' capability, typically administrators or users with elevated privileges, enabling an attacker to delete arbitrary logs maintained by the plugin. While the vulnerability does not directly compromise confidentiality or availability, it impacts the integrity of the plugin's logging mechanism, potentially erasing audit trails that are critical for incident response and forensic analysis. The CVSS 3.1 base score is 4.3 (medium severity), reflecting that exploitation requires user interaction (the victim must be logged in and visit a malicious page), but no privileges are required to initiate the attack, and the attack vector is network-based. No known exploits are reported in the wild, and no official patches or updates are linked yet, though upgrading to version 2.5.7 or later is implied to remediate the issue. This vulnerability is a classic example of insufficient CSRF validation in web applications, emphasizing the importance of nonce tokens or similar anti-CSRF mechanisms in AJAX endpoints that perform state-changing operations.

Detailed information about CVE-2023-3178: CWE-352 Cross-Site Request Forgery (CSRF) in Unknown POST SMTP Mailer affecting Unknown POST SMTP Mailer. Get real-tim

CVE-2023-3178: CWE-352 Cross-Site Request Forgery (CSRF) in Unknown POST SMTP Mailer - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-3178: CWE-352 Cross-Site Request Forgery (CSRF) in Unknown POST SMTP Mailer

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