Published: 11/06/2018 Updated: 25/06/2018

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with this permission. This vulnerability affects Firefox < 58.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mozilla firefox
canonical ubuntu linux 14.04
canonical ubuntu linux 16.04
canonical ubuntu linux 17.10

USN-3544-1 caused some regressions in Firefox ...

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

Mozilla Foundation Security Advisory 2018-02 Security vulnerabilities fixed in Firefox 58 Announced January 23, 2018 Impact critical Products Firefox Fixed in Firefox 58 ...

CWE-346 https://www.mozilla.org/security/advisories/mfsa2018-02/https://bugzilla.mozilla.org/show_bug.cgi?id=1396399 https://usn.ubuntu.com/3544-1/http://www.securitytracker.com/id/1040270 http://www.securityfocus.com/bid/102786 https://nvd.nist.gov https://usn.ubuntu.com/3544-2/

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