CVE-2023-4523Public exploitNetwork attack vector

Script execution via unneutralized URL references

Published Sep 27, 2023 · Updated Jan 16, 2025

Cross-site scripting in Real Time Automation 460 Series before 8.9.8 allows remote attackers to execute JavaScript through a crafted URL. The gateway HTTP interface fails to neutralize a JavaScript reference in the URL string and redirects the request to index.htm. Network access to the HTTP interface is sufficient, with no authentication or user interaction required for script execution.

CVSS severity9.4
Critical
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Real Time Automation 460 Series before 8.9.8 allows remote attackers to execute JavaScript through a crafted URL. The gateway HTTP interface fails to neutralize a JavaScript reference in the URL string and redirects the request to index.htm. Network access to the HTTP interface is sufficient, with no authentication or user interaction required for script execution.

The record

CVE
CVE-2023-4523
Published
Sep 27, 2023
Updated
Jan 16, 2025
Vendor
Real Time Automation, Inc.
Product
460 Series
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 16, 2025Record 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 <v8.9.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Real Time Automation, Inc. · 460 Seriesversion=0 <v8.9.8

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
9.4ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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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