CVE-2016-2221
wordpress - security update
7.4
HIGH
CVSS 3.1
EPSS 3.5%
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.
How to fix CVE-2016-2221
To remediate CVE-2016-2221, upgrade the affected package to a fixed version below.
- —upgrade to 4.4.2+dfsg-1 or later
- —upgrade to 3.6.1+dfsg-1~deb6u9 or later
- —upgrade to 3.6.1+dfsg-1~deb7u10 or later
Is CVE-2016-2221 being exploited?
Low — EPSS is 3.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.4.2+dfsg-1
- from 0, < 3.6.1+dfsg-1~deb6u9
- from 0, < 3.6.1+dfsg-1~deb7u10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N |