CVE-2019-17016: canonical ubuntu_linux Cross-site Scripting
CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2019-17016DEBIAN-CVE-2019-17016
Published 08-01-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-17016 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in canonical ubuntu_linux. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 26 · Related 12DLA-2061-1DLA-2071-1DSA-4600-1DSA-4603-1MGASA-2020-0027MGASA-2020-0034OPENSUSE-SU-2020:0060-1OPENSUSE-SU-2020:0094-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2020:0085RHSA-2020:0086RHSA-2020:0111RHSA-2020:0120RHSA-2020:0123RHSA-2020:0127RHSA-2020:0292RHSA-2020:0295SUSE-SU-2020:0068-1SUSE-SU-2020:0078-1SUSE-SU-2020:0142-1SUSE-SU-2020:14268-1USN-4234-1USN-4241-1USN-4335-1
Timeline
- 08-01-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
When pasting a <style> 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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.99%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.99% on 18-09-2026
18-09-202618-10-2026
EPSS score1.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat5 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.7
- enterprise_linux_server_tus7.7
- enterprise_linux_workstation6.0 | 7.0
Ubuntu4 products
- firefox< 72.0.1+build1-0ubuntu0.16.04.1 | < 72.0.1+build1-0ubuntu0.18.04.1 | < 72.0.1+build1-0ubuntu1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- thunderbird< 1:68.7.0+build1-0ubuntu0.16.04.2 | < 1:68.4.1+build1-0ubuntu0.18.04.1 | < 1:68.4.1+build1-0ubuntu1
Debian3 products
- firefox-esr< 68.4.0esr-1
- thunderbird< 1:68.4.1-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Mozilla2 products
- firefox< 72 | < 72.0
- firefox_esr< 68.4
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.04 | 19.10
5 vendors · 15 products
References
34 links
lists.debian.org/debian-lts-announce/2020/01/msg00005.htmlMailing ListX Refsource MLISTThird Party Advisory