CVE-2017-6819

MEDIUM severity · CVSS 6.5 · Cross-site request forgery (CSRF)

6.5CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)13%

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products we track (1)

WordPress

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://codex.wordpress.org/Version_4.7.3 ↗

Additional information

NVD record
https://codex.wordpress.org/Version_4.7.3Patch
https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829Patch
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/Patch
https://wpvulndb.com/vulnerabilities/8770Patch
http://www.securityfocus.com/bid/96602Advisory
http://www.securitytracker.com/id/1037959Advisory
http://openwall.com/lists/oss-security/2017/03/06/7Advisory
https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.htmlAdvisory