CVE-2026-24353Network attack vectorHinoki check available

Subscriber-level arbitrary shortcode execution via missing authorization

Published Jan 22, 2026 · Updated Jan 22, 2026

Missing authorization in WPEverest User Registration & Membership 4.4.9 and earlier allows remote authenticated users to execute arbitrary shortcodes. Patchstack identifies the result but has not published the affected action, parameter, or renderer call. Subscriber access is required; reachable shortcodes can disclose rendered data, with no reported ability to modify data or interrupt service.

CVSS severity4.3
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Missing authorization in WPEverest User Registration & Membership 4.4.9 and earlier allows remote authenticated users to execute arbitrary shortcodes. Patchstack identifies the result but has not published the affected action, parameter, or renderer call. Subscriber access is required; reachable shortcodes can disclose rendered data, with no reported ability to modify data or interrupt service.

The record

CVE
CVE-2026-24353
Published
Jan 22, 2026
Updated
Jan 22, 2026
Vendor
WPEverest
Product
User Registration & Membership
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 22, 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=n/a <=<= 4.4.9 changes=[{"at":"5.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WPEverest · User Registration & Membershipversion=n/a <=<= 4.4.9 changes=[{"at":"5.0","status":"unaffected"}]

Published CVSS scores

4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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-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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