CVE-2016-2221

NameCVE-2016-2221
DescriptionOpen redirect vulnerability in the wp_validate_redirect function in wp-includes/pluggable.php in WordPress before 4.4.2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a malformed URL that triggers incorrect hostname parsing, as demonstrated by an https:example.com URL.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-418-1, DSA-3472-1
Debian Bugs813697

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wordpress (PTS)buster, buster (security)5.0.15+dfsg1-0+deb10u1fixed
bullseye (security), bullseye5.7.5+dfsg1-0+deb11u1fixed
bookworm, sid6.0.2+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wordpresssourcesqueeze3.6.1+dfsg-1~deb6u9DLA-418-1
wordpresssourcewheezy3.6.1+dfsg-1~deb7u10DSA-3472-1
wordpresssourcejessie4.1+dfsg-1+deb8u8DSA-3472-1
wordpresssource(unstable)4.4.2+dfsg-1813697

Notes

https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://core.trac.wordpress.org/changeset/36444
https://www.openwall.com/lists/oss-security/2016/02/04/4
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