CVE-2026-1832: CWE-862 Missing Authorization in thrivedesk Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk
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.
AI Analysis
Technical Summary
CVE-2026-1832 is a missing authorization vulnerability in the ThriveDesk – Live Chat, AI Chatbot, Helpdesk & Knowledge Base plugin for WordPress. The issue arises because the 'thrivedesk_clear_cache' AJAX action does not enforce capability checks, enabling any authenticated user with at least Subscriber privileges to clear the plugin's cache. This affects all versions up to and including 2.1.7. The vulnerability has a CVSS 3.1 base score of 4.3, indicating a medium severity level, with impact limited to integrity (cache clearing) and no confidentiality or availability impact reported. No official patch or remediation guidance is currently provided by the vendor.
Potential Impact
An attacker with Subscriber-level access or higher can clear the plugin's cache without authorization. This could lead to potential disruption of caching functionality, possibly affecting performance or user experience. There is no direct confidentiality or availability impact reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles to trusted users only and monitor for suspicious cache clearing activity. Avoid granting Subscriber or higher privileges to untrusted users.
CVE-2026-1832: CWE-862 Missing Authorization in thrivedesk Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk
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.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-1832 is a missing authorization vulnerability in the ThriveDesk – Live Chat, AI Chatbot, Helpdesk & Knowledge Base plugin for WordPress. The issue arises because the 'thrivedesk_clear_cache' AJAX action does not enforce capability checks, enabling any authenticated user with at least Subscriber privileges to clear the plugin's cache. This affects all versions up to and including 2.1.7. The vulnerability has a CVSS 3.1 base score of 4.3, indicating a medium severity level, with impact limited to integrity (cache clearing) and no confidentiality or availability impact reported. No official patch or remediation guidance is currently provided by the vendor.
Potential Impact
An attacker with Subscriber-level access or higher can clear the plugin's cache without authorization. This could lead to potential disruption of caching functionality, possibly affecting performance or user experience. There is no direct confidentiality or availability impact reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles to trusted users only and monitor for suspicious cache clearing activity. Avoid granting Subscriber or higher privileges to untrusted users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-02-03T14:48:59.230Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a51c78268715ace4321e445
Added to database: 07/11/2026, 04:33:06 UTC
Last enriched: 07/18/2026, 15:44:45 UTC
Last updated: 08/25/2026, 10:52:07 UTC
Views: 49
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