CVE-2019-17000 (NVD)

2020-01-08

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.

Products Firefox
Type Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)
First patch - None (likely due to unavailable code)
Links https://bugzilla.mozilla.org/show_bug.cgi?id=1441468
https://www.mozilla.org/security/advisories/mfsa2019-34/