Common/Grav.php in Grav before 1.7 has an Open Redirect. This is partially fixed in 1.6.23 and still present in 1.6.x.
https://github.com/getgrav/grav/issues/3134
https://github.com/getgrav/grav/commit/2eae104c7a4bf32bc26cb8073d5c40464bfda3f7
https://getgrav.org/#changelog
Source: Mitre, NVD
Published: 2020-04-04
Updated: 2021-05-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N