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VULNERABILITIES

CVE-2019-17022 Details

Description

When pasting a &lt;style&gt; tag from the clipboard into a rich text editor, the CSS sanitizer does not escape &lt; and &gt; characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html CVE
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html CVE
http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html CVE
https://access.redhat.com/errata/RHSA-2020:0085 CVEThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0086 CVEThird Party Advisory

see all 50 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions

Change History

21 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2019-17022
NVD Published Date:
Jan 8, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-17022 Details - Not Deferred