ThriveDesk <= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion
Priority LOW 20CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ThriveDesk | Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk | up to 2.1.7 | — | No fix listed | CNA |
- Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk VendorThriveDesk Affected up to 2.1.7 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1832
- 2026-10-03 Alias added: GHSA-m58j-w5gx-pqhj
References
Other 6
- 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
More ThriveDesk vulnerabilities
- TI-2025-18253 WordPress ThriveDesk plugin <= 2.0.6 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
Sources
- CVE-2026-1832 · CVE Program
- CVE-2026-1832 · NVD
- FIRST EPSS
- GHSA-m58j-w5gx-pqhj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences