Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in 1CDN

1CDN is open-source file sharing software. In 1CDN before commit f88a2730fa50fc2c2aeab09011f6f142fd90ec25, there is a basic cross-site scripting vulnerability that allows an attacker to inject /<script>//code</script> and execute JavaScript code on the client side.