CVE-2019-16781

EUVD-2019-7299
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
GitHub_MCNA
5.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
Affected Products (NVD)
VendorProductVersion
wordpresswordpress
𝑥
< 5.3.1
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wordpress
bookworm
6.1.6+dfsg1-0+deb12u1
fixed
bookworm (security)
6.1.6+dfsg1-0+deb12u1
fixed
bullseye
5.7.11+dfsg1-0+deb11u1
fixed
bullseye (security)
5.7.11+dfsg1-0+deb11u1
fixed
jessie
not-affected
sid
6.6.1+dfsg1-1
fixed
stretch
not-affected
trixie
6.6.1+dfsg1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wordpress
bionic
needs-triage
disco
ignored
eoan
ignored
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v
https://hackerone.com/reports/731301
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9976
https://www.debian.org/security/2020/dsa-4599
https://www.debian.org/security/2020/dsa-4677
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v
https://hackerone.com/reports/731301
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9976
https://www.debian.org/security/2020/dsa-4599
https://www.debian.org/security/2020/dsa-4677