CVE-2017-7812

MEDIUM

Firefox < 56 - Unauthorized File Access via Drag-and-Drop to Browser UI

Title source: llm
STIX 2.1

Description

If web content on a page is dragged onto portions of the browser UI, such as the tab bar, links can be opened that otherwise would not be allowed to open. This can allow malicious web content to open a locally stored file through "file:" URLs. This vulnerability affects Firefox < 56.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039465
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-21/
Exploit, Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1379842
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101057

Scores

CVSS v3 5.3
EPSS 0.0027
EPSS Percentile 50.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-200
Status published
Products (1)
mozilla/firefox < 55.0.3
Published Jun 11, 2018
Tracked Since Feb 18, 2026