WordPress Plugin Vulnerabilities

WPBot 8.4.9 - 8.5.9 - Unauthenticated Chat Visitor PII Disclosure

Description

The plugin does not perform any capability or nonce check on the AJAX action that lists stored chat sessions, allowing unauthenticated attackers to retrieve the name, email address and phone number of every chat visitor by requesting a wide date range.

Proof of Concept

Affects Plugins

Plugin icon
chatbot
Fixed in 8.6.0

References

CVE
CVE-2026-87916

Classification

Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
A3: Sensitive Data Exposure
CWE
CWE-200
CVSS
5.3 (medium)

Miscellaneous

Original Researcher
Seongwon Lee
Submitter
Seongwon Lee
Verified
Yes
WPVDB ID
31d65e66-10b1-467a-8b20-ecf4880359e0

Timeline

Publicly Published
2026-09-10 (about 2 days ago)
Added
2026-09-10 (about 1 day ago)
Last Updated
2026-09-10 (about 1 day ago)

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