Critical 9.8Published Oct 18, 2026

CVE-2026-110886WordPress Conversational Forms for ChatBot plugin <= 1.5.1 - PHP Object Injection vulnerability

Updated under an hour ago (Oct 28, 2026, 1:23 AM ET)

Does this affect you?

It affects QuantumCloud Conversational Forms for ChatBot. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.30%, higher than 23% of scored CVEs.

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Every CVE for QuantumCloud Conversational Forms for ChatBot

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.30% (percentile 23)
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

QuantumCloud Conversational Forms for ChatBot quantumcloud:conversational_forms_for_chatbot (from the name)	through 1.5.1; fixed at 1.5.2	CNA record

References

References

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	vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.