CVE-2017-7808

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200CWE-346

Affected software

No affected versions have been published.

Timeline

Published
Jun 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2017

CVE-2017-78099.8A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the documCVE-2017-78109.8Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. Some of these bugs showed evidence of memory corruption and we presume CVE-2017-78119.8Memory safety bugs were reported in Firefox 55. Some of these bugs showed evidence of memory corruption and we presume that with enough effoCVE-2017-78125.3If 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 alCVE-2017-78138.2Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usuCVE-2017-78147.8File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware ProtectionCVE-2017-78155.3On pages containing an iframe, the "data:" protocol can be used to create a modal dialog through Javascript that will have an arbitrary domaCVE-2017-78165.3WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow thCVE-2017-78175.3A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake address bar to be dispCVE-2017-78189.8A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containersCVE-2017-78199.8A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been fCVE-2017-78205.3The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web