VDB
CVE-2016-2221
CVE-2016-2221
REJECTED
CVSS 7.400000095367432 HIGH
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.
EPSS 4.45% · 90.7th percentile
Risk Scores
CVSS 3.0
7.400000095367432
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
EPSS Score
4.45%
90.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | wordpress | 0, 4.3+dfsg-1, 4.3.1+dfsg-1 |
Timeline
- May 22, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 17, 2025 EPSS Score
- Mar 23, 2025 EPSS Score
- Mar 24, 2025 EPSS Score
- Mar 29, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
- May 1, 2025 EPSS Score
- May 4, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
- Jun 4, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-2221 third-party-advisory
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/ third-party-advisory
- https://core.trac.wordpress.org/changeset/36444 third-party-advisory
- http://www.openwall.com/lists/oss-security/2016/02/04/4 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-2221 third-party-advisory