Are there any security concerns associated with using blendTrans in PHP for transitions?

Using blendTrans in PHP for transitions can potentially expose security vulnerabilities such as Cross-Site Scripting (XSS) attacks if user input is not properly sanitized. To mitigate this risk, it is important to validate and sanitize user input before using it in blendTrans to prevent malicious code injection.

// Sanitize user input before using blendTrans
$transition = filter_var($_GET['transition'], FILTER_SANITIZE_STRING);

// Use the sanitized input in blendTrans
echo "<script>blendTrans('elementId', '$transition', 0.5);</script>";