CVE-2016-2222

The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
debianCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
wordpresswordpress
4.4.1
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
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
yakkety
ignored
xenial
not-affected
wily
ignored
trusty
dne
precise
ignored
References
http://www.debian.org/security/2016/dsa-3472
http://www.securityfocus.com/bid/82454
http://www.securitytracker.com/id/1034933
https://codex.wordpress.org/Version_4.4.2
https://core.trac.wordpress.org/changeset/36435
https://hackerone.com/reports/110801
https://news.ycombinator.com/item?id=20433070
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/8376
http://www.debian.org/security/2016/dsa-3472
http://www.securityfocus.com/bid/82454
http://www.securitytracker.com/id/1034933
https://codex.wordpress.org/Version_4.4.2
https://core.trac.wordpress.org/changeset/36435
https://hackerone.com/reports/110801
https://news.ycombinator.com/item?id=20433070
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/8376