CVE-2023-3464Network attack vector

Authenticated browser script execution via preview parameter

Published Jun 29, 2023 · Updated Aug 2, 2024

Cross-site scripting in SimplePHPscripts Classified Ads Script PHP 1.8 allows remote authenticated users to inject script via the p parameter. The URL Parameter Handler in /preview.php processes attacker-controlled p input without sufficient neutralization before generating the page, causing browser-executable content to be returned. A low-privileged account and user interaction are required, and successful exploitation changes content in the victim's browser without directly interrupting the service.

CVSS severity3.5
Low
EPSS probability0.50%
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 SimplePHPscripts Classified Ads Script PHP 1.8 allows remote authenticated users to inject script via the p parameter. The URL Parameter Handler in /preview.php processes attacker-controlled p input without sufficient neutralization before generating the page, causing browser-executable content to be returned. A low-privileged account and user interaction are required, and successful exploitation changes content in the victim's browser without directly interrupting the service.

The record

CVE
CVE-2023-3464
Published
Jun 29, 2023
Updated
Aug 2, 2024
Vendor
SimplePHPscripts
Product
Classified Ads Script PHP
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 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=1.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SimplePHPscripts · Classified Ads Script PHPversion=1.8

Published CVSS scores

4.0VulDB CNAAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.5VulDB CNACVSS:3.0/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')
T1059.007JavaScript/JScript

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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