SupportCandy – Helpdesk & Customer Support Ticket System <= 3.3.0 - Insecure Direct Object Reference
Vulnerability Description
The SupportCandy – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.3.0 via file upload due to missing validation on a user controlled key. This makes it possible for authenticated attackers to download attachments for support tickets that don't belong to them. If an admin enables tickets for guests, this can be exploited by unauthenticated attackers.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Tim Coen
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/13f87248-cc0b-4351-b79d-6efc5190b021?source=cve
- https://plugins.trac.wordpress.org/browser/supportcandy/trunk/includes/admin/tickets/class-wpsc-new-ticket.php#L395
- https://plugins.trac.wordpress.org/changeset/3235142/supportcandy/trunk?old=3188306&old_path=%2Fsupportcandy%2Ftrunk
Affected Vendor
psmplugins
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