SVG loaded through <img> tags in Firefox before 57.0 can use <meta> tags within the SVG data to set cookies for that page.
SVG loaded through <img> tags in Firefox before 57.0 can use <meta> tags within the SVG data to set cookies for that page.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/#CVE-2017-7837 https://bugzilla.mozilla.org/show_bug.cgi?id=1325923