urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.
Max CVSS
9.8
EPSS Score
1.11%
Published
2018-12-11
Updated
2021-06-15
1 vulnerabilities found