CVE-2019-17000

—

CVSS 3.1

6.1 medium

EPSS

<1%p55

Published

Jan 8, 2020 (Jan 8, 2020)

Modified

Jun 17, 2026

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.

Vendors: mozilla
Products: firefox
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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