CVE-2026-42736Network attack vector

Unauthenticated access-control bypass via user-controlled key

Published May 27, 2026 · Updated May 27, 2026

Authorization bypass in WordPlus Better Messages 2.14.16 and earlier allows remote attackers to access protected data. Patchstack identifies an insecure direct object reference involving a user-controlled key, but neither the CNA record nor its linked advisory discloses the affected endpoint, object, or failed validation operation. No authentication or user interaction is required, and the published impact is limited to confidentiality; the exact data exposed remains undisclosed.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in WordPlus Better Messages 2.14.16 and earlier allows remote attackers to access protected data. Patchstack identifies an insecure direct object reference involving a user-controlled key, but neither the CNA record nor its linked advisory discloses the affected endpoint, object, or failed validation operation. No authentication or user interaction is required, and the published impact is limited to confidentiality; the exact data exposed remains undisclosed.

The record

CVE
CVE-2026-42736
Published
May 27, 2026
Updated
May 27, 2026
Vendor
WordPlus
Product
Better Messages
Classifications
CWE-639, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 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 <=2.14.16 changes=[{"at":"2.15.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WordPlus · Better Messagesversion=0 <=2.14.16 changes=[{"at":"2.15.0","status":"unaffected"}]

Published CVSS scores

7.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 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-639Authorization Bypass Through User-Controlled Key
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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