CVE-2017-1001000 Missing authorization in n/a

High 7.5 Published Updated

Remote attackers can modify arbitrary pages by exploiting improper input validation in the WordPress REST API endpoints.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-1001000?

CVE-2017-1001000 is a high-severity missing authorization vulnerability in Wordpress Wordpress, published on 3 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2017-1001000?

It affects 1 product.

Products include Wordpress Wordpress.

How do I fix CVE-2017-1001000?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2017-1001000 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-1001000 exists.

Public exploit code: 1 Metasploit module.

All Wordpress Wordpress vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-1001000, GHSA-qm68-r9p4-ghhx.

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