CVE-2023-25444Network attack vector

Malicious file upload via undisclosed validation flaw

Published May 17, 2024 · Updated Apr 28, 2026

Unrestricted file upload in JoomSky JS Help Desk 2.7.7 and earlier allows remote authenticated users to upload malicious files. Patchstack has not published the affected upload handler or the validation operation that accepts a dangerous file type. High-privilege WordPress access is required, and the record does not specify how the uploaded file is subsequently used.

CVSS severity9.1
Critical
EPSS probability0.84%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in JoomSky JS Help Desk 2.7.7 and earlier allows remote authenticated users to upload malicious files. Patchstack has not published the affected upload handler or the validation operation that accepts a dangerous file type. High-privilege WordPress access is required, and the record does not specify how the uploaded file is subsequently used.

The record

CVE
CVE-2023-25444
Published
May 17, 2024
Updated
Apr 28, 2026
Vendor
JoomSky
Product
JS Help Desk
Classifications
CWE-434, CAPEC-17, T1105
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 17, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.7.7
  2. Affected versionversion=n/a <=2.7.7 changes=[{"at":"2.7.8","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JoomSky · JS Help Deskversion=0 <=2.7.7; version=n/a <=2.7.7 changes=[{"at":"2.7.8","status":"unaffected"}]

Published CVSS scores

9.1PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CAPEC-17Using Malicious Files
T1105Ingress Tool Transfer

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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