CVE-2022-2352 : Vulnerability Insights and Analysis

WordPress plugin 'Post SMTP Mailer/Email Log' before version 2.1.7 is vulnerable to an authorization bypass flaw, leading to a blind Server-Side Request Forgery (SSRF) attack by high privilege users.

Understanding CVE-2022-2352

This CVE refers to a security vulnerability in the Post SMTP Mailer/Email Log WordPress plugin that allows privileged users to conduct blind SSRF attacks.

What is CVE-2022-2352?

The CVE-2022-2352 vulnerability in the Post SMTP Mailer/Email Log plugin version prior to 2.1.7 enables high-privilege users, like admins, to perform SSRF on multisite installations due to insufficient authorization checks in certain AJAX actions.

The Impact of CVE-2022-2352

The impact of this vulnerability is that malicious actors with high privileges could abuse the SSRF vulnerability to make unauthorized requests on behalf of the server, potentially leading to further exploitation or unauthorized data access.

Technical Details of CVE-2022-2352

This section provides insights into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from the lack of proper authorization checks in specific AJAX actions, allowing privileged users to exploit this flaw for SSRF attacks.

Affected Systems and Versions

The Post SMTP Mailer/Email Log plugin versions earlier than 2.1.7 are affected by this vulnerability.

Exploitation Mechanism

High privilege users, such as administrators, can exploit this vulnerability to perform SSRF attacks on multisite installations, bypassing proper authorization mechanisms.

Mitigation and Prevention

Preventive measures and actions to mitigate the risks associated with CVE-2022-2352.

Immediate Steps to Take

Update the Post SMTP Mailer/Email Log plugin to version 2.1.7 or newer to patch the vulnerability.

Long-Term Security Practices

Regularly monitor for plugin updates and security advisories to address vulnerabilities promptly.
Implement the principle of least privilege to restrict the capabilities of user accounts.

Patching and Updates

Apply security patches and updates promptly to ensure that known vulnerabilities are addressed effectively and the system remains secure.