CVE-2026-1832
ThriveDesk <= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion
CVSS Score
4.3
EPSS Score
0.2%
EPSS Percentile
10th
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.
| CWE | CWE-862 |
| Vendor | thrivedesk |
| Product | agentic help desk plugin for wordpress – live chat, ai chatbot & ticketing – thrivedesk |
| Published | Jul 11, 2026 |
| Last Updated | Jul 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
thrivedesk / Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk
0 ≤ 2.1.7
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ec4bc1d4-2f14-4f3e-85ed-8737c56f905c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/thrivedesk/trunk/includes/helper.php#L238 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/thrivedesk/tags/2.1.5/includes/helper.php#L238 cwe.mitre.org: https://cwe.mitre.org/data/definitions/862.html plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?reponame=&old=3512748%40thrivedesk&new=3512748%40thrivedesk plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/thrivedesk/tags/2.2.0/includes/helper.php#L238
Credits
Legion Hunter