Task Scheduler <= 1.6.3 - Authenticated (Admin+) Blind Server-Side Request Forgery

2025-10-14 19:39

Jonas Benjamin Friedli

Strategic Overview

Status

Unpatched

Affected PluginTask Scheduler

Affected Version<= 1.6.3

CVSS4.4Medium

CVECVE-2025-10056

View all Task Scheduler vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-918 (Server-Side Request Forgery (SSRF)) The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

External References

https://www.cve.org/CVERecord?id=CVE-2025-10056 https://www.wordfence.com/threat-intel/vulnerabilities/id/d5211437-9c6d-435f-a7f2-17ed754d0fab

CVSS Vector

4.4

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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