CVE-2023-1649Public exploitNetwork attack vector

Administrator-to-visitor script execution via unescaped settings

Published May 8, 2023 · Updated Feb 4, 2025

Stored XSS in QuantumCloud WPBot before 4.5.1 allows remote authenticated administrators to execute scripts in visitors' browsers. The plugin stores company-name and other admin settings without sanitizing input or escaping output before rendering them on pages. Exploitation requires administrator access and affects multisite installations or sites where unfiltered_html is disabled, exposing page visitors to attacker-controlled script execution.

CVSS severity4.8
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in QuantumCloud WPBot before 4.5.1 allows remote authenticated administrators to execute scripts in visitors' browsers. The plugin stores company-name and other admin settings without sanitizing input or escaping output before rendering them on pages. Exploitation requires administrator access and affects multisite installations or sites where unfiltered_html is disabled, exposing page visitors to attacker-controlled script execution.

The record

CVE
CVE-2023-1649
Published
May 8, 2023
Updated
Feb 4, 2025
Vendor
QuantumCloud
Product
WPBot
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 8, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <4.5.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

QuantumCloud · WPBotversion=0 <4.5.1

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.4WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo