CVE-2017-6819

Public Exploit

Description

In WordPress before 4.7.3, there is cross-site request forgery (CSRF) in Press This (wp-admin/includes/class-wp-press-this.php), leading to excessive use of server resources. The CSRF can trigger an outbound HTTP request for a large file that is then parsed by Press This.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 9.91% Top 10%
Vendor Advisory wordpress.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/96602 third party advisory vdb entry
http://www.securitytracker.com/id/1037959 third party advisory vdb entry
https://wpvulndb.com/vulnerabilities/8770 third party advisory patch
http://openwall.com/lists/oss-security/2017/03/06/7 mailing list third party advisory exploit
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/ patch vendor advisory release notes
https://codex.wordpress.org/Version_4.7.3 patch vendor advisory
https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829 patch third party advisory issue tracking
https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-6819?
CVE-2017-6819 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6819?
To fix CVE-2017-6819, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6819 being actively exploited in the wild?
It is possible that CVE-2017-6819 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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