Vulnerability in Wordpress
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 incorrect hostname parsing, as demonstrated by an https:example.com URL.
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.
Affected products
- Wordpress
- N/a — versions n/a
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Patch)
- security@debian.org (vdb-entry, x_refsource_SECTRACK)
- security@debian.org (vdb-entry, x_refsource_BID)
- security@debian.org (x_refsource_CONFIRM, Patch)
- security@debian.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@debian.org (vendor-advisory, x_refsource_DEBIAN)
- security@debian.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2016-2221?
- CVE-2016-2221 is a high-severity vulnerability in Wordpress. CVSS score: 7.4/10. Published 2016-05-22.
- How severe is CVE-2016-2221?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2016-2221 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.