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CVE-2016-2222: The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of

high Affects WordPress core. Feed 2026.10.28.3, updated 2026-10-28; published ; advisory modified .

The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of

Package
WordPress core WordPress
Affected versions
=4.4.1
Fixed in
no fix recorded
Severity
high  CVSS 8.6
Exploitation
not on CISA KEV · EPSS 8% (94.7th percentile)
Published
2016-05-22
Source
nvd

References

NVD recordWordPress core advisories

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