CVE-2026-16773 WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action
Unauthenticated attackers can exfiltrate chat transcripts and user PII via an AJAX action in the WPBot plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16773?
CVE-2026-16773 is a medium-severity vulnerability in quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services, published on 28 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-16773?
How do I fix CVE-2026-16773?
No fix has been published for CVE-2026-16773 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16773 being exploited?
There is no known exploitation of CVE-2026-16773 in the wild and no public exploit code.
Sources
Also known as GHSA-3ww9-9g46-xw9x.