CVE-2026-110886

CRITICAL 9.8

WordPress Conversational Forms for ChatBot plugin <= 1.5.1 - PHP Object Injection vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in QuantumCloud Conversational Forms for ChatBot conversational-forms allows Object Injection.This issue affects Conversational Forms for ChatBot: from n/a through 1.5.1.

CWE	CWE-502
Vendor	quantumcloud
Product	conversational forms for chatbot
Published	Oct 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

QuantumCloud / Conversational Forms for ChatBot

0 ≤ 1.5.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/conversational-forms/vulnerability/wordpress-conversational-forms-for-chatbot-plugin-1-5-1-php-object-injection-vulnerability?_s_id=cve

Credits

hinhlx | Patchstack Bug Bounty Program