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CVE-2016-2222

8.6 · HIGH

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…

Published May 22, 2016EPSS 7.87%

Overview

CVE-2016-2222 is a high-severity vulnerability. It was published on May 22, 2016 and has a CVSS 3.0 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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 an IPv4 address in the u parameter to wp-admin/press-this.php.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.debian.org/security/2016/dsa-3472Refwww.securityfocus.com/bid/82454Refwww.securitytracker.com/id/1034933Refcodex.wordpress.org/Version_4.4.2Refcore.trac.wordpress.org/changeset/36435Refhackerone.com/reports/110801Refnews.ycombinator.com/item?id=20433070Refwordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Refwpvulndb.com/vulnerabilities/8376Refwww.debian.org/security/2016/dsa-3472

How CyberStrike helps

Frequently asked questions

What is CVE-2016-2222?

CVE-2016-2222 is a high-severity vulnerability. It was published on May 22, 2016 and has a CVSS 3.0 base score of 8.6 (HIGH).

How severe is CVE-2016-2222?

This vulnerability has a CVSS 3.0 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-2222?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-2222?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-2222 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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