Cross-site request forgery in WordPress - CVE-2017-6819
Published: March 10, 2017 / Updated: October 18, 2018
Vulnerability identifier: #VU5937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6819
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WordPress.ORG
Affected software:
WordPress
WordPress
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform CSRF attacks.
The vulnerability is caused by incorrect validation of the request origin within "Press This" functionality (wp-admin/includes/class-wp-press-this.php). A remote attacker can create a specially crafted web page, trick the authenticated WordPress user into visiting and trigger the web application to consume excessive server resources.
Successful exploitation of this vulnerability may allow a remote attacker to perform a denial of service (DoS) attack.
How to mitigate CVE-2017-6819
Update to version 4.7.3.