CVE-2016-2222 Server-side request forgery in n/a
Remote attackers can perform server-side request forgery attacks in WordPress by manipulating IPv4 address validation in the Press This feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-2222?
CVE-2016-2222 is a high-severity server-side request forgery vulnerability in Wordpress Wordpress, published on 22 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2016-2222?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2016-2222?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2016-2222 being exploited?
There is no known exploitation of CVE-2016-2222 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2016-2222, GHSA-5r7p-x5gj-698r.