ThriveDesk <= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion
Affected versions: *-2.1.7
Vulnerability type: CWE-862 Missing Authorization
Affected software, patched versions and attribution
The ThriveDesk – Live Chat, AI Chatbot, Helpdesk & Knowledge Base plugin for WordPress is vulnerable to unauthorized cache deletion due to a missing capability check on the 'thrivedesk_clear_cache' AJAX action in all versions up to, and including, 2.1.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to clear the plugin's cache.
Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk
Affected versions: *-2.1.7
Patched versions: 2.2.0
Researcher credit: Legion Hunter
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- Published
- July 10, 2026
- CVSS
- 4.3