Mozilla Firefox CVE-2016-5251 Input Validation Bypass Vulnerability

Description

Security researcher Firas Salem reported that decoding url-encoded values in data: urls for display leads to potential spoofing in the Location bar by using non-ASCII and emoji characters in a data: url's mediatype. This issue could result in the wrong URL being displayed as a location, which can mislead users to believe they are on a different site than the one loaded.

Affected Applications

Firefox

CVE References

Other References