CVE-2019-17000

Published: Jan 8, 2020Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.

Affected (1)

Products: Mozilla: Firefox

Mozilla

1 product

Firefox

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 70.0

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://bugzilla.mozilla.org/show_bug.cgi?id=1441468

Source: security@mozilla.org

Permissions Required

https://www.mozilla.org/security/advisories/mfsa2019-34/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1441468

Source: af854a3a-2127-422b-91ae-364da2661108

Permissions Required

https://www.mozilla.org/security/advisories/mfsa2019-34/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.