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Object injection in QuantumCloud Conversational Forms for ChatBot

Priority MEDIUM 43CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The QuantumCloud Conversational Forms for ChatBot plugin, from n/a through 1.5.1, deserializes untrusted data. This flaw (CWE-502) allows PHP object injection. An unauthenticated remote attacker can exploit it to gain high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
quantumcloudConversational Forms for ChatBotup to 1.5.1—No fix listedCNA
  • Conversational Forms for ChatBot Vendorquantumcloud Affected up to 1.5.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Conversational Forms for ChatBot.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-18 Threatist record created from CVE-2026-110886
  2. 2026-10-18 Alias added: GHSA-6959-ggg7-7c9h
  3. 2026-10-19 CISA SSVC decision points changed

References

  • TI-2024-06312 Simple Video Directory < 1.4.3 - Unauthenticated SQLi CVSS 3.1CRITICAL 9.8
  • TI-2023-01552 ChatBot < 4.4.7 - Unauthenticated PHP Object Injection CVSS 3.1CRITICAL 9.8
  • TI-2024-05388 Simple Video Directory < 1.4.4 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.1
  • TI-2023-01558 ChatBot < 4.4.9 - Unauthenticated Stored XSS CVSS 3.1MEDIUM 6.1
  • TI-2023-00958 ChatBot < 4.4.5 - Stored XSS via CSRF CVSS 3.1MEDIUM 6.1
  • TI-2023-01553 ChatBot < 4.4.9 - Subscriber+ OpenAI Settings Update to Stored XSS CVSS 3.1MEDIUM 5.4
See all 95 →

Sources