FILTER_VALIDATE_URL accepts URLs with invalid userinfo
At a glance
Severity
MEDIUM 5.3
EPSS
EPSS 2.90 % · percentile 87 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
php
NVD status
Modified
Description
In PHP versions 7.3.x below 7.3.26, 7.4.x below 7.4.14 and 8.0.0, when validating URL with functions like filter_var($url, FILTER_VALIDATE_URL), PHP will accept an URL with invalid password as valid URL. This may lead to functions that rely on URL being valid to mis-parse the URL and produce wrong data as components of the URL.
