cbcvebase.
CVE-2019-17016
published 2020-01-08

CVE-2019-17016: When pasting a tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into…

PriorityP427medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
1.99%
78.4th percentile
When pasting a tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Affected

29 ranges· showing 25
VendorProductVersion rangeFixed in
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
debiandebian_linux
debiandebian_linux
debiandebian_linux
debianfirefox< firefox 72.0-1 (sid)firefox 72.0-1 (sid)
debianfirefox-esr< firefox 72.0-1 (sid)firefox 72.0-1 (sid)
debianthunderbird< firefox 72.0-1 (sid)firefox 72.0-1 (sid)
mozillafirefox< 72.072.0
mozillafirefox
mozillafirefox
mozillafirefox_esr< 68.468.4
mozillafirefox_esr
mozillathunderbird>= 0 < 1:68.4.1-11:68.4.1-1
mozillathunderbird>= 0 < 1:68.4.1-11:68.4.1-1
mozillathunderbird>= 0 < 1:68.4.1-11:68.4.1-1
mozillathunderbird>= 0 < 1:68.4.1-11:68.4.1-1
mozillathunderbird>= 0 < 1:68.7.0+build1-0ubuntu0.16.04.21:68.7.0+build1-0ubuntu0.16.04.2
mozillathunderbird>= 0 < 1:68.4.1+build1-0ubuntu0.18.04.11:68.4.1+build1-0ubuntu0.18.04.1
redhatenterprise_linux_desktop
redhatenterprise_linux_desktop
redhatenterprise_linux_server
redhatenterprise_linux_server

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.1MEDIUM
vendor_redhat6.1MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.