CVE-2017-6819
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of service disruption.
- Exploit odds
- 2.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.2% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.2% · EPSS, next 30 days
- Weakness
- CWE-352 · Cross-site request forgery
- Record status
- Modified
Affected
- WordPress ≤ 4.7.2
Attack profile CVSS 3.0 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-6819.md and follow it. Check whether this project is affected by CVE-2017-6819. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://codex.wordpress.org/Version_4.7.3
- https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8770
- https://codex.wordpress.org/Version_4.7.3
- https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8770
References
- 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
- 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