Is Flex SMTP Secure?
B
Grade B — Good
Moderate RiskFlex SMTP receives a solid Grade B from WP HealthKit's 62-layer security audit, with 62 findings — mostly low-to-medium severity.
Grade
B
Findings
62
Critical
0
Standards
N/A
Active Installs
N/A
Last Audited
Today
What We Found
PHP Version Mismatch: Declared vs RequiredHIGH
Unsafe TRUNCATE TABLE outside uninstall contextHIGH
dbDelta() called without a version-comparison guardHIGH
$wpdb->query() used with raw DDL (TRUNCATE TABLE)HIGH
$wpdb->query() used with raw DDL (TRUNCATE TABLE)HIGH
+ 57 more findings in the full report.
Frequently Asked Questions
Is Flex SMTP safe to use?
Flex SMTP receives a solid Grade B from WP HealthKit's 62-layer security audit, with 62 findings — mostly low-to-medium severity.
How many vulnerabilities does Flex SMTP have?
WP HealthKit's audit found 62 findings for Flex SMTP: 0 critical, 6 high, and 43 medium severity issues.
What is Flex SMTP's security grade?
Flex SMTP has an overall security grade of B (Good) based on WP HealthKit's 62-layer security audit.