Vulnerability · Published Oct 18, 2026 · Assigned by Patchstack
CVE-2026-110886WordPress Conversational Forms for ChatBot plugin <= 1.5.1 - PHP Object Injection vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Conversational Forms for ChatBot from QuantumCloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 76.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QuantumCloud | Conversational Forms for ChatBot | 0 – through 1.5.1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H