CVE-2026-39612Network attack vector

Unauthenticated arbitrary shortcode execution via missing authorization

Published Apr 8, 2026 · Updated Apr 8, 2026

Missing authorization in KuteThemes KuteShop 4.2.9 and earlier allows remote attackers to execute arbitrary WordPress shortcodes. Patchstack has not published the affected theme function, request parameter, or authorization check that accepts the shortcode input. No authentication or user interaction is required, and the documented consequence is limited to server-side shortcode execution.

CVSS severity5.3
Medium
EPSS probability0.19%
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 KuteThemes KuteShop 4.2.9 and earlier allows remote attackers to execute arbitrary WordPress shortcodes. Patchstack has not published the affected theme function, request parameter, or authorization check that accepts the shortcode input. No authentication or user interaction is required, and the documented consequence is limited to server-side shortcode execution.

The record

CVE
CVE-2026-39612
Published
Apr 8, 2026
Updated
Apr 8, 2026
Vendor
KuteThemes
Product
KuteShop
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 8, 2026CVE 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 <=4.2.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

KuteThemes · KuteShopversion=0 <=4.2.9

Published CVSS scores

5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 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-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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