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Description

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.

PUBLISHED Reserved 2026-02-03 | Published 2026-07-11 | Updated 2026-07-13 | Assigner Wordfence




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-07-10:Disclosed

Credits

Legion Hunter finder

References

www.wordfence.com/...-2f14-4f3e-85ed-8737c56f905c?source=cve

plugins.trac.wordpress.org/...desk/trunk/includes/helper.php

plugins.trac.wordpress.org/...tags/2.1.5/includes/helper.php

cwe.mitre.org/data/definitions/862.html

plugins.trac.wordpress.org/...edesk&new=3512748%40thrivedesk

plugins.trac.wordpress.org/...tags/2.2.0/includes/helper.php

cve.org (CVE-2026-1832)

nvd.nist.gov (CVE-2026-1832)

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