ThriveDesk <= 2.1.7 - Missing Authorization to Authenticated (Subscriber+) Cache Deletion

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-1832
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-11 05:16:33 UTC
Updated2026-07-11 05:16:33 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Thrivedesk Agentic Help Desk Plugin For WordPress Live Chat AI Chatbot Ticketing ThriveDesk affected 2.1.7 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/thrivedesk/trunk/includes/helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
cwe.mitre.org/data/definitions/862.html [email protected] cwe.mitre.org
www.wordfence.com/threat-intel/vulnerabilities/id/ec4bc1d4-2f14-4f3e-85ed-8737c... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/thrivedesk/tags/2.1.5/includes/helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/thrivedesk/tags/2.2.0/includes/helper.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Legion Hunter (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-10T15:36:28.000ZDisclosed
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