Cross-site request forgery in WordPress - CVE-2017-6819

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Main Vulnerability Database Vulnerabilities #VU5937

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: 5.1 [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]
CVE-ID: CVE-2017-6819
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

WordPress
Arch Linux

How to mitigate CVE-2017-6819

Update to version 4.7.3.

WordPress - update to 4.7.3

External References

Related Security Bulletins