CVE-2023-4488Network attack vector

Unauthenticated code execution via local file inclusion

Published Oct 20, 2023 · Updated Apr 8, 2026

Local file inclusion in Hyno Dropbox Folder Share 1.9.7 and earlier allows remote attackers to execute server-side PHP code. editor-view.php includes an attacker-chosen local path without restricting inclusion to trusted files. No authentication is required; arbitrary PHP execution requires an includable server-side file, including an uploaded file containing PHP code.

CVSS severity9.8
Critical
EPSS probability1.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local file inclusion in Hyno Dropbox Folder Share 1.9.7 and earlier allows remote attackers to execute server-side PHP code. editor-view.php includes an attacker-chosen local path without restricting inclusion to trusted files. No authentication is required; arbitrary PHP execution requires an includable server-side file, including an uploaded file containing PHP code.

The record

CVE
CVE-2023-4488
Published
Oct 20, 2023
Updated
Apr 8, 2026
Vendor
Hyno
Product
Dropbox Folder Share
Classifications
CWE-98, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record 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 <=1.9.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Hyno · Dropbox Folder Shareversion=0 <=1.9.7

Published CVSS scores

9.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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