CVE-2017-6819: CSRF
First published: Sun Mar 12 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WordPress | <=4.7.2 |
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Reference Links
- http://openwall.com/lists/oss-security/2017/03/06/7
- http://www.securityfocus.com/bid/96602
- http://www.securitytracker.com/id/1037959
- https://codex.wordpress.org/Version_4.7.3
- https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829
- https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8770
Frequently Asked Questions
What is the severity of CVE-2017-6819?
CVE-2017-6819 is considered a medium severity vulnerability due to its potential to cause excessive resource usage on affected servers.
How do I fix CVE-2017-6819?
To fix CVE-2017-6819, it is recommended to update WordPress to version 4.7.3 or later.
What does CVE-2017-6819 affect?
CVE-2017-6819 affects WordPress versions prior to 4.7.3, specifically targeting the Press This feature.
What kind of attack does CVE-2017-6819 enable?
CVE-2017-6819 enables cross-site request forgery (CSRF) attacks that can trigger excessive HTTP requests.
Who is impacted by CVE-2017-6819?
Any user running WordPress version 4.7.2 or earlier is impacted by CVE-2017-6819.
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