CVE-2023-3474Network attack vector

Cross-site scripting via preview.php URL parameter

Published Jun 30, 2023 · Updated Nov 21, 2024

Cross-site scripting in preview.php in SimplePHPscripts Simple Blog 3.2 allows attackers to inject script through a URL parameter. The CNA identifies the URL Parameter Handler but does not disclose the affected parameter or the output operation that fails to neutralize it. The CNA requires low privileges and victim interaction, while NVD rates the vector unauthenticated with victim interaction.

CVSS severity6.1
Medium
EPSS probability0.39%
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 preview.php in SimplePHPscripts Simple Blog 3.2 allows attackers to inject script through a URL parameter. The CNA identifies the URL Parameter Handler but does not disclose the affected parameter or the output operation that fails to neutralize it. The CNA requires low privileges and victim interaction, while NVD rates the vector unauthenticated with victim interaction.

The record

CVE
CVE-2023-3474
Published
Jun 30, 2023
Updated
Nov 21, 2024
Vendor
SimplePHPscripts
Product
Simple Blog PHP
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 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=3.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SimplePHPscripts · Simple Blog PHPversion=3.2

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0VulDB CNAAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDB CNACVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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.

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

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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