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CVE-2017-5493

7.5 · HIGH

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended…

Published Jan 15, 2017CWE-338EPSS 2.89%

Overview

CVE-2017-5493 is a high-severity vulnerability. It was published on January 15, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.

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/2017/dsa-3779Refwww.openwall.com/lists/oss-security/2017/01/14/6Refwww.securityfocus.com/bid/95401Refwww.securitytracker.com/id/1037591Refcodex.wordpress.org/Version_4.7.1GitHubgithub.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4Refwordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/Refwpvulndb.com/vulnerabilities/8721Refwww.debian.org/security/2017/dsa-3779Refwww.openwall.com/lists/oss-security/2017/01/14/6

How CyberStrike helps

Frequently asked questions

What is CVE-2017-5493?

CVE-2017-5493 is a high-severity vulnerability. It was published on January 15, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-5493?

This vulnerability has a CVSS 3.0 base score of 7.5, 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-2017-5493?

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-2017-5493?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-5493 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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