CVE-2021-21705 — Incorrect URL validation in FILTER_VALIDATE_URL
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL paramete…
Published: 2021-10-04 · CVSS: 4.3 · CVSS 3.1
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7