CVE-2023-4534Known exploitationPublic exploitNetwork attack vector

Remote XSS via unescaped link parameter

Published Aug 25, 2023 · Updated Oct 2, 2024

Cross-site scripting in NeoMind Fusion Platform 20230731 allows remote authenticated users to alter rendered content via the /fusion/portal/action/Link link parameter. The Link action reflects attacker-controlled link input without adequate output encoding, allowing script execution in a victim's browser. Exploitation requires network access, low-level authentication, and user interaction; the published impact is limited to integrity with no reported confidentiality or availability loss.

CVSS severity3.5
Low
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in NeoMind Fusion Platform 20230731 allows remote authenticated users to alter rendered content via the /fusion/portal/action/Link link parameter. The Link action reflects attacker-controlled link input without adequate output encoding, allowing script execution in a victim's browser. Exploitation requires network access, low-level authentication, and user interaction; the published impact is limited to integrity with no reported confidentiality or availability loss.

The record

CVE
CVE-2023-4534
Published
Aug 25, 2023
Updated
Oct 2, 2024
Vendor
Neomind
Product
Fusion Platform
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 25, 2023Exploitation reportedPublic proof of concept disclosed
  2. Aug 25, 2023CVE publishedPublication date reported by the CVE source.
  3. Oct 2, 2024Record 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=20230731

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Neomind · Fusion Platformversion=20230731

Published CVSS scores

4.0VulDB CNAAV:N/AC:L/Au:S/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.5VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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.

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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
Privilegesauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-79Cross Site Scripting
T1189Drive-by Compromise

Public exploit references

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

Reported exploitation

Technologies

Your stack

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Your stack

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