When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12409 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1629506
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1629506
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-20/