CVE-2023-5254Network attack vector

Unauthenticated user and order data disclosure

Published Oct 19, 2023 · Updated Apr 8, 2026

Sensitive information exposure in QuantumCloud WPBot 4.8.9 and earlier allows remote attackers to obtain usernames and order details. The qcld_wb_chatbot_check_user AJAX handler returns user-existence results and existing users' order information without authenticating or authorizing the requester. No account or user interaction is required; exposure is limited to disclosed user and order data, with no reported write or service-interruption capability.

CVSS severity5.3
Medium
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in QuantumCloud WPBot 4.8.9 and earlier allows remote attackers to obtain usernames and order details. The qcld_wb_chatbot_check_user AJAX handler returns user-existence results and existing users' order information without authenticating or authorizing the requester. No account or user interaction is required; exposure is limited to disclosed user and order data, with no reported write or service-interruption capability.

The record

CVE
CVE-2023-5254
Published
Oct 19, 2023
Updated
Apr 8, 2026
Vendor
QuantumCloud
Product
WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
Classifications
CWE-200, T1589
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 19, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=4.8.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

QuantumCloud · WPBot – AI ChatBot for Live Support, Lead Generation, AI Servicesversion=0 <=4.8.9

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1589Gather Victim Identity Information

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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