CVE-2023-39599Public exploitNetwork attack vector

Stored browser script execution via unneutralized profile links

Published Aug 22, 2023 · Updated Dec 12, 2024

Stored XSS in CSZ CMS 1.3.0 allows remote authenticated users to execute scripts in visitors' browsers through Social Settings. The Profile Link fields accept crafted HTML or script without neutralization and render it in the social-network footer across site pages. Authenticated access to the administration panel is required to store the payload, and a visitor triggers it by viewing an affected page.

CVSS severity5.4
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in CSZ CMS 1.3.0 allows remote authenticated users to execute scripts in visitors' browsers through Social Settings. The Profile Link fields accept crafted HTML or script without neutralization and render it in the social-network footer across site pages. Authenticated access to the administration panel is required to store the payload, and a visitor triggers it by viewing an affected page.

The record

CVE
CVE-2023-39599
Published
Aug 22, 2023
Updated
Dec 12, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 12, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/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
Privilegesauthenticated
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

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Your stack

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