CVE-2021-44528
18Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendepss 4.2%
exploitation probability
4.2%top 10% of all CVEs
observed exploitation
nono source reports it
A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
Affected products
n/a · https://github.com/rails/rails