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CVE-2016-2221

UnknownEPSS 4.70%

Last modified

CVE-2016-2221 is a vulnerability of currently unknown severity. 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 estimates a 4.70% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
4.70%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
WordpressWordpress<= 4.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2016-2221?
Severity scoring for CVE-2016-2221 is pending analysis. The EPSS model estimates a 4.70% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2221?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2221?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST