CVE-2023-1650: ChatBot < 4.4.7 - Unauthenticated PHP Object Injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 34.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-08 · updated 2026-06-17
Weakness: CWE-502

Description

The AI ChatBot WordPress plugin before 4.4.7 unserializes user input from cookies via an AJAX action available to unauthenticated users, which could allow them to perform PHP Object Injection when a suitable gadget is present on the blog

Affected products

quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services: before 4.4.7 — fixed in 4.4.7

How to fix

Upgrade to a fixed version: quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services 4.4.7. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/7d7fe498-0aa3-4fa7-b560-610b42b2abed
https://wpscan.com/vulnerability/7d7fe498-0aa3-4fa7-b560-610b42b2abed

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