CVEs-PoC/2021/CVE-2021-23971.md

CVE-2021-23971

Description

When processing a redirect with a conflicting Referrer-Policy, Firefox would have adopted the redirect's Referrer-Policy. This would have potentially resulted in more information than intended by the original origin being provided to the destination of the redirect. This vulnerability affects Firefox < 86.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1678545
• https://bugzilla.mozilla.org/show_bug.cgi?id=1678545

Github

No PoCs found on GitHub currently.