CVE-2026-1832 json
ThriveDesk <= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion
published 2026-07-11 3 mo ago modified 2026-07-13 3 mo ago also EUVD-2026-43146
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected products
- thrivedesk Agentic Help Desk Plugin for WordPress – Live Chat, AI Chatbot & Ticketing – ThriveDesk
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/ec4bc1d4-2f14-4f3e-85ed-8737c56f905c?source=cve
- plugins.trac.wordpress.org /browser/thrivedesk/trunk/includes/helper.php#L238
- plugins.trac.wordpress.org /browser/thrivedesk/tags/2.1.5/includes/helper.php#L238
- cwe.mitre.org /data/definitions/862.html
- plugins.trac.wordpress.org /changeset?reponame=&old=3512748%40thrivedesk&new=3512748%40thrivedesk
- plugins.trac.wordpress.org /browser/thrivedesk/tags/2.2.0/includes/helper.php#L238
Sources
- CVE List CVE-2026-1832
- NVD CVE-2026-1832
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.