7.4high

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 attac…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.4%
percentile 91%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

4.45% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.4CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
NVD2.05.8AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Technology feeds
WordPress (RSS, critical only)

References

  • codex.wordpress.org /Version_4.4.2 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1034933 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/82463 · vdb-entry, x_refsource_BID, x_transferred
  • core.trac.wordpress.org /changeset/36444 · x_refsource_CONFIRM, x_transferred
  • wordpress.org /news/2016/02/wordpress-4-4-2-security-and-maintenance-release/ · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3472 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • wpvulndb.com /vulnerabilities/8377 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.