A security issue has been found in Firefox < 55.0. JavaScript in the about:webrtc page is not sanitized properly being being assigned to innerHTML. Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack.
A security issue has been found in Firefox < 55.0. JavaScript in the about:webrtc page is not sanitized properly being being assigned to innerHTML. Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7799 https://bugzilla.mozilla.org/show_bug.cgi?id=1372509