In PHP version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with passwordhash() starts with a null byte (\x00), testing a blank string as the password via passwordverify() will incorrectly return true.
{
"cpes": [
"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}