CVE-2026-16773 json
WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action
published 2026-07-28 3 mo ago modified 2026-07-28 3 mo ago also EUVD-2026-49760
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | 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, AI Services
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/5463548c-22bd-4645-a94d-ee8c6a236337?source=cve
- plugins.trac.wordpress.org /browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L746
- plugins.trac.wordpress.org /browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L707
- plugins.trac.wordpress.org /browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L690
- plugins.trac.wordpress.org /browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L702
- plugins.trac.wordpress.org /changeset?reponame=&old=3621386%40chatbot&new=3621386%40chatbot
Sources
- CVE List CVE-2026-16773
- NVD CVE-2026-16773
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.