Description
The Filr – Secure document library plugin for WordPress is vulnerable to Stored Cross-Site Scripting via unrestricted file upload in all versions up to, and including, 1.2.11 due to insufficient file type restrictions in the FILR_Uploader class. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload malicious HTML files containing JavaScript that will execute whenever a user accesses the uploaded file, granted they have permission to create or edit posts with the 'filr' post type.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected products
- wpchill / Filr – Secure document library0 – 1.2.11
References
- MISChttps://www.wordfence.com/threat-intel/vulnerabilities/id/c16c3a8d-bae1-4729-86c8-ec13481ff187?source=cve
- MISChttps://plugins.trac.wordpress.org/browser/filr-protection/trunk/src/class-filr-uploader.php#L14
- MISChttps://plugins.trac.wordpress.org/browser/filr-protection/tags/1.2.10/src/class-filr-uploader.php#L14
- MISChttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3425333%40filr-protection&new=3425333%40filr-protection&sfp_email=&sfph_mail=