Medium severity · published Mar 12, 2017
CVE-2017-6819
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
6.5
CVSS
2.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
through 4.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6819
Exploit
http://openwall.com/lists/oss-security/2017/03/06/7
Third Party Advisory
http://www.securityfocus.com/bid/96602
Third Party Advisory
http://www.securitytracker.com/id/1037959
Patch
https://codex.wordpress.org/Version_4.7.3
Issue Tracking
https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829
Exploit
https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html
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