How severe is CVE-2026-16773?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services

CVE-2026-16773

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.

Vulnerability class: Information Disclosure

EPSS: 0.003 (19.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Frequently asked questions

What is CVE-2026-16773?: CVE-2026-16773 is a medium-severity vulnerability in Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-07-28.
How severe is CVE-2026-16773?: Medium severity. CVSS v3 base score is 5.3 out of 10.