Cyber Resilience

CVE-2023-1650

RCE in Quantumcloud Wpbot ≤ 4.4.7

Published
08 May 2023
Modified
12 May 2025
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.34 98th percentile
Risk Priority 91 floored blend · peak EPSS

Summary

CVE-2023-1650 is a critical-severity Deserialization of Untrusted Data (CWE-502) vulnerability in Quantumcloud Wpbot. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

This vulnerability is AI-related — categorised as Other AI Platforms.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The AI ChatBot WordPress plugin before version 4.4.7 is affected by a deserialization flaw (CWE-502) that processes untrusted user input supplied through cookies. An unauthenticated AJAX action directly invokes PHP unserialize on this cookie data, enabling PHP Object Injection whenever a usable gadget chain exists in the WordPress installation or its active plugins.

An attacker can therefore send a crafted cookie to the exposed AJAX endpoint and trigger arbitrary object instantiation and method invocation on the target site. Successful exploitation yields full control over the application context, allowing impacts such as remote code execution, data disclosure, or privilege escalation, consistent with the CVSS 9.8 rating that reflects network-accessible attack with no authentication or user interaction required.

The referenced WPScan advisory identifies the issue in versions prior to 4.4.7 and implies that updating to 4.4.7 or later removes the vulnerable code path. The associated EPSS score rose from a low baseline to a peak of 0.4881 (current value 0.2603), indicating increased exploitation interest after public disclosure.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

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

CWE(s)

AI Security AnalysisAI

AI Category
Other AI Platforms
Risk Domain
N/A
OWASP Top 10 for LLMs 2025
None mapped
Classification Reason
Matched keywords: ai

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-22309Same product: Quantumcloud Wpbot
CVE-2023-44993Same product: Quantumcloud Wpbot
CVE-2023-1011Same product: Quantumcloud Wpbot
CVE-2023-4254Same product: Quantumcloud Wpbot
CVE-2023-5212Same product: Quantumcloud Wpbot
CVE-2023-48741Same product: Quantumcloud Wpbot
CVE-2023-5534Same product: Quantumcloud Wpbot
CVE-2023-5241Same product: Quantumcloud Wpbot
CVE-2023-5204Same product: Quantumcloud Wpbot
CVE-2023-5533Same product: Quantumcloud Wpbot

Affected Assets

quantumcloud
wpbot
≤ 4.4.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-502

Penetration testing supplies malicious serialized objects, detecting unsafe deserialization and supporting corrective actions.

addresses: CWE-502

Evaluation of untrusted data handling (deserialization testing) reveals unsafe processing, which the required remediation process addresses.

addresses: CWE-502

Untrusted serialized data can be deserialized and observed inside the chamber, blocking gadget-chain exploitation outside the sandbox.

addresses: CWE-502

Validates or rejects untrusted serialized data before deserialization occurs.

addresses: CWE-502

Identifies and blocks malicious code introduced through deserialization of untrusted data at system boundaries.

addresses: CWE-502

Integrity verification of serialized information can detect tampering before deserialization occurs.

addresses: CWE-502

Provenance of associated data allows detection of untrusted sources before deserialization or processing occurs.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-02 none match
prevents

PR.PS-02 addresses only post-deployment updates/patching and cannot prevent introduction of unsafe deserialization code, yet it can remediate some instances when the flaw exists in outdated libraries or components.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing includes validation of deserialization routines and the use of untrusted data, reducing the likelihood that unsafe object reconstruction will be deployed.

prevents

Requiring vetted libraries, regular updates and SAST before release reduces the likelihood that deserialization logic will accept and act on attacker-controlled serialized objects.

finds

Regular scanning of third-party libraries and timely patching reduce the likelihood that unsafe deserialization vulnerabilities remain active.

none

Mandatory malware scanning of data received over networks or storage media intercepts malicious serialized payloads before they are deserialized by the target application.

References