CVE-2026-15106

WPBot <= 8.5.6 - Missing Authorization to Unauthenticated Arbitrary Chat Session Deletion via 'userid' Parameter

The 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 unauthenticated attackers to delete arbitrary chat session records from the wpbot_user and wpbot_conversation tables, including chat history and conversation logs, by supplying a crafted userid value.

We have discovered 1,009 live websites that are affected by CVE-2026-15106.

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Affected Software

Product  Chatbot
Category Wordpress Plugins
Vulnerable Domains1,009 live websites (100% of Chatbot install base)
Vulnerable Versions
  • from 0 through 8.5.6
Vulnerable Versions Count150 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-862 Missing Authorization



Details

  • Published - Jul 16, 2026
  • Updated - Jul 16, 2026

Credits

  • PRISM (finder)

Website Distribution by Country

Number of websites using CVE-2026-15106
United States330 websites


India71 websites
Germany62 websites
GB52 websites
France39 websites
Italy37 websites
South Africa34 websites
Canada28 websites
Australia24 websites
Cyprus23 websites

Website Distribution by TLD

Number of websites using CVE-2026-15106
.com476 websites
.org45 websites
.net33 websites
.it23 websites
.com.au23 websites
.co.uk22 websites
.de17 websites
.fr16 websites
.ca15 websites
.eu11 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-15106

Top websites that are affected by CVE-2026-15106. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.****.br Brazil**,***
****.***.mt Malta**,***
************.org United States**,***
****.***.my Malaysia***,***
***.international Belgium***,***
************.com United States***,***
***.**.ke Kenya***,***
**********.com GB***,***
****.info GB***,***
****.com United States***,***
See full domain list

FAQ

CVE-2026-15106 is Missing Authorization in Chatbot
A total of 1,009 websites have been identified as vulnerable to CVE-2026-15106, based on global website indexing conducted by WebTechSurvey.
The Chatbot is affected by the CVE-2026-15106 vulnerability.
Chatbot versions up to and including 8.5.6 are vulnerable to CVE-2026-15106.

References