CVE-2019-17022 (GCVE-0-2019-17022)

Vulnerability from cvelistv5 – Published: 2020-01-08 21:30 – Updated: 2024-08-05 01:24
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CSS sanitization does not escape HTML tags
Assigner
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1602843 x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://seclists.org/bugtraq/2020/Jan/12 mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4600 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/4234-1/ vendor-advisoryx_refsource_UBUNTU
https://seclists.org/bugtraq/2020/Jan/18 mailing-listx_refsource_BUGTRAQ
https://access.redhat.com/errata/RHSA-2020:0085 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0086 vendor-advisoryx_refsource_REDHAT
http://packetstormsecurity.com/files/155912/Slack… x_refsource_MISC
https://access.redhat.com/errata/RHSA-2020:0111 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0120 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0123 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0127 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/4241-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2020/dsa-4603 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2020/Jan/26 mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0292 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0295 vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/202003-02 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4335-1/ vendor-advisoryx_refsource_UBUNTU
Impacted products
Vendor Product Version
Mozilla Firefox ESR Affected: before 68.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.