Open redirect vulnerability in the wp_validate_redirect function in wp-includes/pluggable.php in WordPress before 4.4.2 allows remote…

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.

Scores

EPSS (exploitation in 30 days)

4.4% · top 8.6% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (7)

• https://codex.wordpress.org/Version_4.4.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1034933 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 82463 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://core.trac.wordpress.org/changeset/36444 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3472 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• https://wpvulndb.com/vulnerabilities/8377 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2016-2221](https://trackcve.app/badge/CVE-2016-2221.svg)](https://trackcve.app/cve/CVE-2016-2221)

Record last updated 5 Aug 2024, 23:24 UTC.