| Name | CVE-2016-2221 |
| Description | Open 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-418-1, DSA-3472-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 813697 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | jessie | 4.1+dfsg-1+deb8u17 | fixed |
| jessie (security) | 4.1.26+dfsg-1+deb8u1 | fixed | |
| stretch (security), stretch | 4.7.5+dfsg-2+deb9u5 | fixed | |
| bullseye, buster | 5.0.4+dfsg1-1 | fixed | |
| sid | 5.2.3+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| wordpress | source | (unstable) | 4.4.2+dfsg-1 | medium | 813697 | |
| wordpress | source | jessie | 4.1+dfsg-1+deb8u8 | medium | DSA-3472-1 | |
| wordpress | source | squeeze | 3.6.1+dfsg-1~deb6u9 | medium | DLA-418-1 | |
| wordpress | source | wheezy | 3.6.1+dfsg-1~deb7u10 | medium | DSA-3472-1 |
https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
https://core.trac.wordpress.org/changeset/36444
http://www.openwall.com/lists/oss-security/2016/02/04/4