CVE-2020-37123: Wcchandler Pinger

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Pinger 1.0 contains a remote code execution vulnerability that allows attackers to inject shell commands through the ping and socket parameters. Attackers can exploit the unsanitized input in ping.php to write arbitrary PHP files and execute system commands by appending shell metacharacters.

Affected products

• Wcchandler Pinger: version 1.0 only

Published 2026-02-05. Last modified 2026-06-17.