CVE-2016-2221
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.4 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
- EPSS
- 4.45% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- wordpress/wordpress
- Source
- security@debian.org
References
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82463
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2Patch
- https://core.trac.wordpress.org/changeset/36444Patch
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8377
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82463
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2Patch
- https://core.trac.wordpress.org/changeset/36444Patch
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8377
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.