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CVE-2017-1001000

7.5 · HIGH

The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before 4.7.2 does not require an integer identifier, which allow…

Published Apr 3, 2017EPSS 84.94%

Overview

CVE-2017-1001000 is a high-severity vulnerability. It was published on April 3, 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

The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before 4.7.2 does not require an integer identifier, which allows remote attackers to modify arbitrary pages via a request for wp-json/wp/v2/posts followed by a numeric value and a non-numeric value, as demonstrated by the wp-json/wp/v2/posts/123?id=123helloworld URI.

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.openwall.com/lists/oss-security/2017/02/10/16Refwww.securitytracker.com/id/1037731Refblog.sucuri.net/2017/02/content-injection-vulnerability-wordpress-rest-api.htmlRefblogs.akamai.com/2017/02/wordpress-web-api-vulnerability.htmlRefcodex.wordpress.org/Version_4.7.2GitHubgist.github.com/leonjza/2244eb15510a0687ed93160c623762abGitHubgithub.com/WordPress/WordPress/commit/e357195ce303017d517aff944644a7a1232926f7Refmake.wordpress.org/core/2017/02/01/disclosure-of-additional-security-fix-in-wordpress-4-7-2/Refwordpress.org/news/2017/01/wordpress-4-7-2-security-release/Refwww.openwall.com/lists/oss-security/2017/02/10/16

How CyberStrike helps

Frequently asked questions

What is CVE-2017-1001000?

CVE-2017-1001000 is a high-severity vulnerability. It was published on April 3, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-1001000?

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-2017-1001000?

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-2017-1001000?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-1001000 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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