CVE-2019-17001: XSS

Published Oct 22, 2019
·
Updated

A Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document (cross-site scripting). This is a separate bypass from CVE-2019-17000.Note: This flaw only affected Firefox 69 and was not present in earlier versions.. This vulnerability affects Firefox < 70.

Other sources

A Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document (cross-site scripting). This is a separate bypass from CVE-2019-17000.Note: This flaw only affected Firefox 69 and was not present in earlier versions.

Affected Software

3 affected componentsFixes available
Mozilla Firefox<70
70
Mozilla Firefox=69.0
debian/firefox
148.0.2-1

Event History

Oct 22, 2019
CVE Published
12:00 AM
Jan 8, 2020
CVE Published
via MITRE·09:41 PM
Data Sourced
via MITRE·09:41 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:22 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·08:32 PM
RemedyDescriptionSeverityAffected Software
Mar 11, 2026
Data Sourced
via Debian·08:47 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-17001?

CVE-2019-17001 is a vulnerability that allows bypassing a Content-Security-Policy in Firefox 69 and executing JavaScript in a protected document.

2

How does CVE-2019-17001 work?

CVE-2019-17001 works by using an object tag to bypass a Content-Security-Policy that blocks in-line scripts and execute JavaScript in a protected document.

3

Which versions of Firefox are affected by CVE-2019-17001?

CVE-2019-17001 only affects Firefox 69 and is not present in earlier versions.

4

What is the severity of CVE-2019-17001?

CVE-2019-17001 has a severity value of 4 which is classified as medium.

5

How can CVE-2019-17001 be fixed?

To fix CVE-2019-17001, it is recommended to update Firefox to version 70 or later, as this vulnerability was remedied in Firefox 70.

Contact

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