CVE-2026-16773

WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action

The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 8.5.9 via the wpbot_send_email_transcript_free. This makes it possible for unauthenticated attackers to exfiltrate full chat transcripts and associated user PII — including names, email addresses, and phone numbers — stored in the wpbot_user and wpbot_conversation tables to an attacker-controlled email address.

We have discovered 1,009 live websites that are affected by CVE-2026-16773.

Run a Free Instant Scan



Affected Software

Product  Chatbot
Category Wordpress Plugins
Vulnerable Domains1,009 live websites (100% of Chatbot install base)
Vulnerable Versions
  • from 0 through 8.5.9
Vulnerable Versions Count150 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor



Details

  • Published - Jul 28, 2026
  • Updated - Jul 28, 2026

Credits

  • Wordfence PRISM (finder)

Website Distribution by Country

Number of websites using CVE-2026-16773
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-2026-16773
.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-2026-16773

Top websites that are affected by CVE-2026-16773. 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-2026-16773 is Exposure of Sensitive Information to an Unauthorized Actor in Chatbot
A total of 1,009 websites have been identified as vulnerable to CVE-2026-16773, based on global website indexing conducted by WebTechSurvey.
The Chatbot is affected by the CVE-2026-16773 vulnerability.
Chatbot versions up to and including 8.5.9 are vulnerable to CVE-2026-16773.