WPBot <= 8.5.6 - Missing Authorization to Authenticated (Subscriber+) Arbitrary RAG Document Re-Sync via ajax_rag_manual_sync() Function

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Summary

CVECVE-2026-15610
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-16 09:16:18 UTC
Updated2026-07-16 13:38:53 UTC
DescriptionThe WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to trigger arbitrary re-embedding of stored RAG documents, modifying the rag_documents table and consuming the site owner's paid third-party AI API credits (OpenAI, Gemini, OpenRouter, or xAI).

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

EPSS: 0.002320000 probability, percentile 0.140500000 (date 2026-07-16)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS: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 Quantumcloud WPBot AI ChatBot For Live Support Lead Generation AI Services affected 8.5.6 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/chatbot/tags/8.5.5/includes/class-qcld-bot-rag.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/includes/class-qcld-bot-rag.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/includes/class-qcld-bot-rag.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/qcld-wpwbot.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/e905d146-66bf-4d6d-b2f5-fd3f8... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/chatbot/tags/8.5.5/qcld-wpwbot.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/chatbot/tags/8.5.5/includes/class-qcld-bot-rag.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: PRISM (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-13T16:22:13.000ZVendor Notified
CNA2026-07-15T19:49:36.000ZDisclosed
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