Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 lacks authentication and admin checks on the TaskResource index endpoint, allowing unauthenticated information disclosure. Remote attackers can send GET requests to /api/extension-manager-tasks to read task output revealing filesystem paths, installed extensions, versions, and PHP version.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
flarum:extension manager
References 5
https://github.com/flarum/framework/issues/4386
NVD
https://github.com/flarum/framework/commit/257989e71fd8cc7ddab20f31dcde1aa760b1…
NVD
https://github.com/flarum/framework/releases/tag/v2.0.0-beta.8
Flarum v2.0.0-beta.8 Release Notes
https://github.com/flarum/framework/blob/v2.0.0-beta.6/extensions/package-manag…
NVD
https://www.vulncheck.com/advisories/flarum-extension-manager-2.0.0-beta.1-befo…
VulnCheck Advisory: Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 Missing Authorization via Task API