Mozilla: Caret character improperly escaped in origins

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

CVE-2017-7791

On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox ...