CVE-2019-16220

In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
wordpresswordpress
𝑥
< 5.2.3
debiandebian_linux
8.0
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wordpress
bullseye (security)
5.7.11+dfsg1-0+deb11u1
fixed
bullseye
5.7.11+dfsg1-0+deb11u1
fixed
bookworm
6.1.6+dfsg1-0+deb12u1
fixed
bookworm (security)
6.1.6+dfsg1-0+deb12u1
fixed
sid
6.6.1+dfsg1-1
fixed
trixie
6.6.1+dfsg1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wordpress
noble
needed
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needed
impish
ignored
hirsute
ignored
groovy
ignored
focal
needed
eoan
ignored
disco
ignored
bionic
needed
xenial
needed
trusty
dne
Common Weakness Enumeration
References
https://core.trac.wordpress.org/changeset/45971
https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9863
https://www.debian.org/security/2020/dsa-4599
https://www.debian.org/security/2020/dsa-4677
https://core.trac.wordpress.org/changeset/45971
https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html
https://medium.com/@theodorejackson.us/rediscovering-an-old-vulnerability-cve-2019-16220-d25cc441752f
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9863
https://www.debian.org/security/2020/dsa-4599
https://www.debian.org/security/2020/dsa-4677