If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-01-08T21:29:16

Updated: 2024-08-05T01:24:48.668Z

Reserved: 2019-09-30T00:00:00

Link: CVE-2019-17020

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-01-08T22:15:12.577

Modified: 2021-07-21T11:39:23.747

Link: CVE-2019-17020

cve-icon Redhat

Severity : Important

Publid Date: 2020-01-14T00:00:00Z

Links: CVE-2019-17020 - Bugzilla