CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The Task Scheduler plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.6.3 via the “Check Website” task. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Explanation of Vulnerability in Simple Terms
Task Scheduler versions 1.6.3 and earlier contain a server-side request forgery vulnerability. An authenticated administrator can craft requests that cause the application to make HTTP calls to internal or external systems on the attacker's behalf. The vulnerability requires high privileges and network access but can leak sensitive data or modify resources accessible to the application.
What an attacker can do
Make the application send HTTP requests to internal systems or external servers on the attacker's behalf.
Potential impact on your site
An admin account compromise could allow an attacker to access internal services, exfiltrate data, or attack other systems from your server.
Conditions required to exploit
Attacker must have administrator-level access to Task Scheduler.
Key dates
External resources
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