CVE-2023-39312Network attack vector

Arbitrary file upload via unrestricted ZIP extraction

Published Jun 19, 2024 · Updated Apr 28, 2026

Missing authorization in ThemeFusion Avada 7.11.1 and earlier allows remote authenticated users to upload arbitrary files through ZIP extraction. Public advisories do not identify the affected handler or disclose how its authorization check fails before extracting archive entries. Author-level WordPress access is required, and uploaded executable files can provide control of the affected site.

CVSS severity9.1
Critical
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in ThemeFusion Avada 7.11.1 and earlier allows remote authenticated users to upload arbitrary files through ZIP extraction. Public advisories do not identify the affected handler or disclose how its authorization check fails before extracting archive entries. Author-level WordPress access is required, and uploaded executable files can provide control of the affected site.

The record

CVE
CVE-2023-39312
Published
Jun 19, 2024
Updated
Apr 28, 2026
Vendor
ThemeFusion
Product
Avada
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 19, 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 <=7.11.1
  2. Affected versionversion=n/a <=7.11.1 changes=[{"at":"7.11.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ThemeFusion · Avadaversion=0 <=7.11.1; version=n/a <=7.11.1 changes=[{"at":"7.11.2","status":"unaffected"}]

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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-862Missing Authorization
T1190Exploit Public-Facing Application

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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